diff --git a/webapp/api/api/views.py b/webapp/api/api/views.py
index 2bcb8764..e4af3c97 100644
--- a/webapp/api/api/views.py
+++ b/webapp/api/api/views.py
@@ -636,7 +636,18 @@ def model_loaded(_):
 def metrics(request):
     p_ids = request.GET.get('projectIds').split(',')
     projects = ProjectAnnotateEntities.objects.filter(id__in=p_ids)
-    # assume projects all use the same model for eval purposes.
+
+    # provide warning of inconsistent models used or for models that are not loaded.
+    p_cdbs = set(p.concept_db for p in projects)
+    if len(p_cdbs) > 1:
+        logger.warning('Inconsistent CDBs used in the generation of metrics - should use the same CDB for '
+                       f'consistent results - found {[cdb.name for cdb in p_cdbs]} - metrics will only use the first'
+                       f' CDB {projects[0].concept_db.name}')
+    for p_cdb in p_cdbs:
+        if p_cdb not in CDB_MAP:
+            logger.warning(f'CDB {p_cdb.name} not in CDB_MAP cache - this will now be loaded - '
+                           f'and will not show intermediary training status')
+
     cat = get_medcat(CDB_MAP=CDB_MAP, VOCAB_MAP=VOCAB_MAP,
                      CAT_MAP=CAT_MAP, project=projects[0])
     project_data = retrieve_project_data(projects)
diff --git a/webapp/frontend/src/App.vue b/webapp/frontend/src/App.vue
index 1aefe0a7..963fa4f7 100644
--- a/webapp/frontend/src/App.vue
+++ b/webapp/frontend/src/App.vue
@@ -109,7 +109,6 @@ export default {
 }
 
 .link {
-  //padding-top: 10px;
   display:inline-block;
   height: 25px;
   cursor: pointer;
diff --git a/webapp/frontend/src/components/anns/AnnoResult.vue b/webapp/frontend/src/components/anns/AnnoResult.vue
index 1d4e1b22..19ef15de 100644
--- a/webapp/frontend/src/components/anns/AnnoResult.vue
+++ b/webapp/frontend/src/components/anns/AnnoResult.vue
@@ -3,7 +3,7 @@
     <td class="doc-name">{{result['document name']}}</td>
     <td class="cui">{{result.cui}}</td>
     <td class="source-value">{{result['source value']}}</td>
-    <td class="accu">{{result.acc}}</td>
+    <td class="accu">{{Number(result.acc).toFixed(3)}}</td>
     <td class="text">
       <v-runtime-template :template="text"></v-runtime-template>
     </td>
@@ -33,7 +33,6 @@ export default {
       if (this.type === 'fp' || this.type === 'fn') {
         highlightClass = 'highlight-task-1'
       }
-
       const srcVal = this.result['source value']
       const resTxt = this.result.text
       const regexp = RegExp(`${srcVal}`, 'sg')
@@ -45,13 +44,30 @@ export default {
         } else {
           outText += `${resTxt.slice(matches[matches.indexOf(match) - 1].index + srcVal.length, match.index)}`
         }
-        outText += `<span class="${highlightClass}">${srcVal}</span>`
+        outText += `<span class="${highlightClass}" @click="openAnno">${srcVal}</span>`
         if (matches.length === 1 || match === matches[-1]) {
           outText += `${resTxt.slice(match.index + srcVal.length)}</span>`
         }
       }
       return outText
     }
+  },
+  methods: {
+    openAnno () {
+      const routeData = this.$router.resolve(
+        {
+          name: 'train-annotations',
+          params: {
+            projectId: this.result['project id'],
+            docId: this.result['document id'],
+          },
+          query: {
+            annoStart: this.result['start'],
+            annoEnd: this.result['end']
+          }
+      })
+      window.open(routeData.href, '_blank');
+    }
   }
 }
 </script>
diff --git a/webapp/frontend/src/views/Home.vue b/webapp/frontend/src/views/Home.vue
index 4d8edbdb..ba5a5d96 100644
--- a/webapp/frontend/src/views/Home.vue
+++ b/webapp/frontend/src/views/Home.vue
@@ -13,10 +13,14 @@
                v-if="!loadingProjects"
                @row-selected="select">
         <template #head(metrics)="data">
-          Metrics
+          <div id="metrics-head">Metrics</div>
           <button class="btn btn-outline-primary load-metrics" @click="loadMetrics" v-if="selectedProjects.length > 0">
             <font-awesome-icon icon="chevron-right"></font-awesome-icon>
           </button>
+          <b-tooltip target="metrics-head"
+                     triggers="hover"
+                     container="projectTable"
+                     title="Access the metrics view for a single or group of projects"></b-tooltip>
         </template>
         <template #head(cuis)="">
           <div id="cuis-header">Concepts</div>
@@ -119,7 +123,7 @@
       <transition name="alert"><div class="alert alert-danger" v-if="modelSavedError" role="alert">Error saving model</div></transition>
       <transition name="alert"><div class="alert alert-primary" v-if="loadingModel" role="alert">Loading model</div></transition>
       <transition name="alert"><div class="alert alert-danger" v-if="modelCacheLoadError" role="alert">Error loading MedCAT model for project</div></transition>
-      <transition name="alert"><div class="alert alert-danger" v-if="projectLockedWarning" role="alert">Unable load a locked project. Unlock via /admin/</div></transition>
+      <transition name="alert"><div class="alert alert-danger" v-if="projectLockedWarning" role="alert">Unable load a locked project. Contact your CogStack administrator to unlock</div></transition>
     </div>
     <modal v-if="clearModelModal" :closable="true" @modal:close="clearModelModal = false">
       <div slot="header">
@@ -174,7 +178,6 @@ export default {
           'anno_class',
           'cdb_search_filter',
           'model_loaded',
-          'metrics',
           'save_model'
         ]
       },
diff --git a/webapp/frontend/src/views/Metrics.vue b/webapp/frontend/src/views/Metrics.vue
index a20e8eca..ca8a755f 100644
--- a/webapp/frontend/src/views/Metrics.vue
+++ b/webapp/frontend/src/views/Metrics.vue
@@ -15,7 +15,94 @@
           <b-table striped hover small :items="annoSummary.items" :fields="annoSummary.fields"></b-table>
         </b-tab>
         <b-tab title="Concept Summary" class="concept-summary">
-          <b-table striped hover small :items="conceptSummary.items" :fields="conceptSummary.fields">
+          <b-table striped hover small :items="conceptSummary.items" :fields="conceptSummary.fields" id="concepts-sum-tbl">
+            <template #head(concept)="data">
+              <div id="concept-head">Concept</div>
+              <b-tooltip target="concept-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title=""></b-tooltip>
+            </template>
+            <template #head(concept_count)="data">
+              <div id="concept-count-head">Concept Count</div>
+              <b-tooltip target="concept-count-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="Number of occurrences across the projects"></b-tooltip>
+            </template>
+            <template #head(variations)="data">
+              <div id="variations-head"># Vars</div>
+              <b-tooltip target="variations-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="The count of unique variations for a concept"></b-tooltip>
+            </template>
+            <template #head(variation_values)="data">
+              <div id="variations-values-head">Variations</div>
+              <b-tooltip target="variations-values-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="The unique set of variations for a concept"></b-tooltip>
+            </template>
+            <template #head(count_variations_ratio)="data">
+              <div id="variations-ratio-head">Variations Ratio</div>
+              <b-tooltip target="variations-ratio-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="The ratio of number of annotations and the number of variations of a concept"></b-tooltip>
+            </template>
+            <template #head(cui)="data">
+              <div id="cui-head">CUI</div>
+              <b-tooltip target="cui-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="The Concept Unique Identifier"></b-tooltip>
+            </template>
+            <template #head(cui_f1)="data">
+              <div id="cui-f1-head">F1</div>
+              <b-tooltip target="cui-f1-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="The harmonic mean of the recall and precision scores"></b-tooltip>
+            </template>
+            <template #head(cui_prec)="data">
+              <div id="cui-prec-head">Prec</div>
+              <b-tooltip target="cui-prec-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="The precision scores of a concept."></b-tooltip>
+            </template>
+            <template #head(cui_rec)="data">
+              <div id="cui-rec-head">Rec</div>
+              <b-tooltip target="cui-rec-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="The recall scores of a concept."></b-tooltip>
+            </template>
+            <template #head(tps)="data">
+              <div id="tps-head">TPs</div>
+              <b-tooltip target="tps-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="True positives - concept examples that are annotated and predicted by the model"></b-tooltip>
+            </template>
+            <template #head(fns)="data">
+              <div id="fns-head">FNs</div>
+              <b-tooltip target="fns-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="False negatives - concept examples that annotated but not predicted by the model"></b-tooltip>
+            </template>
+            <template #head(fps)="data">
+              <div id="fps-head">FPs</div>
+              <b-tooltip target="fps-head"
+                         triggers="hover"
+                         container="concepts-sum-tbl"
+                         title="False positives - concept examples that are predicted but not annotated"></b-tooltip>
+            </template>
+            <template #cell(variation_values)="data">
+              <div>{{data.item.value.join(', ')}}</div>
+            </template>
             <template #cell(cui_f1)="data">
               <div v-html="data.value"></div>
             </template>
@@ -30,20 +117,17 @@
                       @click="openExamples('tp_examples', data.item)">
                 {{data.item.tps}}
               </button>
-<!--              <span v-if="data.item.tps === 0">{{data.item.tps}}</span>-->
             </template>
             <template #cell(fns)="data">
               <button class="btn btn-outline-warning res-btn" :disabled="data.item.fns === 0"
                       @click="openExamples('fn_examples', data.item)">
                 {{data.item.fns}}
               </button>
-<!--              <span v-if="data.item.fns === 0">{{data.item.fns}}</span>-->
             </template>
             <template #cell(fps)="data">
               <button class="btn btn-outline-danger res-btn" :disabled="data.item.fps === 0" @click="openExamples('fp_examples', data.item)">
                 {{data.item.fps}}
               </button>
-<!--              <span v-if="data.item.fps === 0">{{data.item.fps}}</span>-->
             </template>
           </b-table>
         </b-tab>
@@ -52,9 +136,24 @@
         </b-tab>
       </b-tabs>
     </div>
-    <modal class="summary-modal" v-if="predictedResults" :closable="true" @modal:close="predictedResults = null">
-      <h3 slot="header">{{predictionResultsTitle}}</h3>
+    <modal class="summary-modal" v-if="modalData.results" :closable="true" @modal:close="clearModalData">
+      <h3 slot="header">{{modalData.title}}</h3>
       <div slot="body">
+        <div v-if="modalData.type === 'fp'">
+          <p>False positive model predictions can be the result of:</p>
+          <ul>
+            <li>Alternative model predictions that are overlapping with other concepts</li>
+            <li>Genuine missed annotations by an annotator.</li>
+          </ul>
+          <p>Clicking through these annotations will not highlight this annotation as it doesn't exist in the dataset </p>
+        </div>
+        <div v-if="modalData.type === 'fn'">
+          <p>False negative model predictions can be the result of:</p>
+          <ul>
+            <li>An model mistake that marked an annotation 'correct' where it should be incorrect</li>
+            <li>An annotator mistake that marked an annotation 'correct' where it should be incorrect</li>
+          </ul>
+        </div>
         <table class="table table-hover">
           <thead>
             <tr>
@@ -66,7 +165,7 @@
             </tr>
           </thead>
           <tbody>
-            <anno-result v-for="(res, key) of predictedResults" :key="key" :result="res"></anno-result>
+            <anno-result v-for="(res, key) of modalData.results" :key="key" :result="res" :type="modalData.type"></anno-result>
           </tbody>
         </table>
       </div>
@@ -121,8 +220,10 @@ export default {
       },
       conceptSummary: {
         fields: [
-          { key: 'concept_count', label: 'Count', sortable: true },
-          { key: 'concept_name', label: 'Concept', sortable: true },
+          { key: 'concept_name', sortable: true },
+          { key: 'concept_count', sortable: true },
+          { key: 'variations', sortable: true },
+          { key: 'variation_values', label: ''},
           { key: 'count_variations_ratio', label: 'Variation Ratio', sortable: true },
           { key: 'cui', label: 'CUI' },
           { key: 'cui_f1', label: 'F1', sortable: true, formatter: this.perfFormatter },
@@ -136,21 +237,34 @@ export default {
       metaAnnsSummary: {
         fields: []
       },
-      predictedResults: null,
-      predictionResultsTitle: null
+      modalData: {
+        results: null,
+        title: null,
+        type: null
+      }
     }
   },
   methods: {
+    clearModalData () {
+      this.modalData = {
+        results: null,
+        title: null,
+        type: null
+      }
+    },
     openExamples (exampleType, item) {
       if (exampleType === 'tp_examples') {
-        this.predictionResultsTitle = 'True Positive Model Predictions'
+        this.modalData.title = 'True Positive Model Predictions'
+        this.modalData.type = 'tp'
       } else if (exampleType === 'fp_examples') {
-        this.predictionResultsTitle = 'False Positive Model Predictions'
+        this.modalData.title = 'False Positive Model Predictions'
+        this.modalData.type = 'fp'
       } else {
-        this.predictionResultsTitle = 'False Negative Model Predictions'
+        this.modalData.title = 'False Negative Model Predictions'
+        this.modalData.type = 'fn'
       }
       const idx = this.conceptSummary.items.indexOf(item)
-      this.predictedResults = this.conceptSummary.items[idx][exampleType]
+      this.modalData.results = this.conceptSummary.items[idx][exampleType]
     },
     perfFormatter (value) {
       let txtColorClass = 'good-perf'
@@ -209,7 +323,6 @@ $metrics-header-height: 42px;
 
 .concept-summary {
   overflow-y: auto;
-  height: 100%
 }
 
 .meta-anno-summary {
diff --git a/webapp/frontend/src/views/TrainAnnotations.vue b/webapp/frontend/src/views/TrainAnnotations.vue
index 31042b64..62aade36 100644
--- a/webapp/frontend/src/views/TrainAnnotations.vue
+++ b/webapp/frontend/src/views/TrainAnnotations.vue
@@ -485,6 +485,15 @@ export default {
           this.metaAnnotate = this.currentEnt && (this.currentEnt.assignedValues[TASK_NAME] === CONCEPT_ALTERNATIVE ||
             this.currentEnt.assignedValues[TASK_NAME] === CONCEPT_CORRECT)
           this.loadingDoc = false
+          if (this.$route.query.annoStart && this.$route.query.annoEnd) {
+            const ent = _.find(this.ents, e => {
+              return Number(this.$route.query.annoStart) === e.start_ind &
+                Number(this.$route.query.annoEnd) === e.end_ind
+            })
+            if (ent) {
+              this.currentEnt = ent
+            }
+          }
         }
       })
     },