diff --git a/server/api/atlases.js b/server/api/collections.js
similarity index 100%
rename from server/api/atlases.js
rename to server/api/collections.js
diff --git a/server/api/index.js b/server/api/index.js
index 302eb195..11f8fc09 100644
--- a/server/api/index.js
+++ b/server/api/index.js
@@ -6,7 +6,7 @@ import Sequelize from 'sequelize';
 
 import auth from './auth';
 import user from './user';
-import atlases from './atlases';
+import collections from './collections';
 import documents from './documents';
 
 import validation from './validation';
@@ -44,7 +44,7 @@ api.use(validation());
 
 router.use('/', auth.routes());
 router.use('/', user.routes());
-router.use('/', atlases.routes());
+router.use('/', collections.routes());
 router.use('/', documents.routes());
 
 // Router is embedded in a Koa application wrapper, because koa-router does not
diff --git a/server/models/Atlas.js b/server/models/Atlas.js
index f8af3815..f6f778d2 100644
--- a/server/models/Atlas.js
+++ b/server/models/Atlas.js
@@ -14,7 +14,7 @@ const Atlas = sequelize.define('atlas', {
   type: { type: DataTypes.STRING, validate: { isIn: allowedAtlasTypes }},
 
   /* type: atlas */
-  atlasStructure: DataTypes.JSONB,
+  navigationTree: DataTypes.JSONB,
 }, {
   tableName: 'atlases',
   hooks: {
@@ -32,8 +32,8 @@ const Atlas = sequelize.define('atlas', {
   },
   instanceMethods: {
     async getStructure() {
-      if (this.atlasStructure) {
-        return this.atlasStructure;
+      if (this.navigationTree) {
+        return this.navigationTree;
       }
 
       const getNodeForDocument = async (document) => {
@@ -122,7 +122,7 @@ const Atlas = sequelize.define('atlas', {
         throw new Error('Invalid navigation tree');
       }
 
-      this.atlasStructure = newTree;
+      this.navigationTree = newTree;
       await this.save();
 
       return newTree;
@@ -147,7 +147,7 @@ const Atlas = sequelize.define('atlas', {
         return node;
       };
 
-      this.atlasStructure = insertNode(this.atlasStructure);
+      this.navigationTree = insertNode(this.navigationTree);
     }
   }
 });
diff --git a/server/presenters.js b/server/presenters.js
index 2441dcc0..49218b1d 100644
--- a/server/presenters.js
+++ b/server/presenters.js
@@ -32,8 +32,7 @@ export function presentAtlas(atlas, includeRecentDocuments=false) {
     }
 
     if (atlas.type === 'atlas') {
-      // Todo replace with `.atlasStructure`
-      data.structure = await atlas.getStructure();
+      data.navigationTree = await atlas.getStructure();
     }
 
     if (includeRecentDocuments) {
diff --git a/src/scenes/Atlas/Atlas.js b/src/scenes/Atlas/Atlas.js
index 4310ecc7..d689841a 100644
--- a/src/scenes/Atlas/Atlas.js
+++ b/src/scenes/Atlas/Atlas.js
@@ -21,7 +21,7 @@ class Atlas extends React.Component {
 
       // Forward directly to root document
       if (data.type === 'atlas') {
-        History.replace(data.structure.url);
+        History.replace(data.navigationTree.url);
       }
     })
   }
diff --git a/src/scenes/DocumentScene/DocumentScene.js b/src/scenes/DocumentScene/DocumentScene.js
index e9ac2937..e8883207 100644
--- a/src/scenes/DocumentScene/DocumentScene.js
+++ b/src/scenes/DocumentScene/DocumentScene.js
@@ -115,7 +115,7 @@ class DocumentScene extends React.Component {
               <div className={ styles.sidebar }>
                 <Tree
                   paddingLeft={10}
-                  tree={ doc.atlas.structure }
+                  tree={ doc.atlas.navigationTree }
                   onChange={this.handleChange}
                   isNodeCollapsed={this.isNodeCollapsed}
                   renderNode={this.renderNode}