diff --git a/scopes/storage/concept.py b/scopes/storage/concept.py
index a968ae4..a1ace32 100644
--- a/scopes/storage/concept.py
+++ b/scopes/storage/concept.py
@@ -52,6 +52,13 @@ class Predicates(Concepts):
     tableName = 'preds'
 
 
+defaultPredicate = 'standard'
+
+def storePredicate(storage, name):
+    preds = storage.getContainer('pred')
+    preds.save(Predicate(name))
+
+
 class Triple(Track):
 
     headFields = ['first', 'second', 'predicate']
@@ -76,8 +83,6 @@ class Rels(Container):
     tableName = 'rels'
     insertOnChange = False
 
-    defaultPredicate = 'standard'
-
 
 # types stuff
 
diff --git a/scopes/storage/topic.py b/scopes/storage/topic.py
new file mode 100644
index 0000000..2947c4e
--- /dev/null
+++ b/scopes/storage/topic.py
@@ -0,0 +1,18 @@
+# scopes.storage.topic
+
+from scopes.storage.common import registerContainerClass
+from scopes.storage import concept
+
+class Topic(concept.Concept):
+
+    prefix = 'tpc'
+
+
+@registerContainerClass
+class Topics(concept.Concepts):
+
+    itemFactory = Topic
+    tableName = 'topics'
+
+
+
diff --git a/tests/test_standard.py b/tests/test_standard.py
index 207f3b1..0dcfcbb 100644
--- a/tests/test_standard.py
+++ b/tests/test_standard.py
@@ -24,6 +24,9 @@ class Test(unittest.TestCase):
     def test_003_type(self):
         tlib_storage.test_type(self, config)
 
+    def test_004_topic(self):
+        tlib_storage.test_topic(self, config)
+
     def test_013_server(self):
         tlib_server.test_app(self, config)
 
diff --git a/tests/tlib_storage.py b/tests/tlib_storage.py
index 1e05ba7..3a839bc 100644
--- a/tests/tlib_storage.py
+++ b/tests/tlib_storage.py
@@ -3,90 +3,105 @@
 """Test implementation for the `scopes.storage` package."""
 
 from datetime import datetime
-from scopes.storage import concept, folder, tracking
+from scopes.storage import concept, folder, topic, tracking
 
 
 def test_tracking(self, config):
-        storage = config.storageFactory(config.dbschema)
-        storage.dropTable('tracks')
-        tracks = storage.create(tracking.Container)
+    storage = config.storageFactory(config.dbschema)
+    storage.dropTable('tracks')
+    tracks = storage.create(tracking.Container)
 
-        tr01 = tracking.Track('t01', 'john')
-        tr01.update(dict(activity='testing'))
-        self.assertEqual(tr01.head, {'taskId': 't01', 'userName': 'john'})
-        self.assertEqual(tr01.taskId, 't01')
-        self.assertEqual(tr01.userName, 'john')
+    tr01 = tracking.Track('t01', 'john')
+    tr01.update(dict(activity='testing'))
+    self.assertEqual(tr01.head, {'taskId': 't01', 'userName': 'john'})
+    self.assertEqual(tr01.taskId, 't01')
+    self.assertEqual(tr01.userName, 'john')
 
-        self.assertTrue(tracks.getTable() is not None)
+    self.assertTrue(tracks.getTable() is not None)
 
-        trid01 = tracks.save(tr01)
-        self.assertTrue(trid01 > 0)
+    trid01 = tracks.save(tr01)
+    self.assertTrue(trid01 > 0)
 
-        #tr01a = tracks.get(trid01)
-        tr01a = tracks['%07i' % trid01]
-        self.assertEqual(tr01a.head, tr01.head)
-        self.assertEqual(tr01a.trackId, trid01)
-        self.assertEqual(tr01a.data.get('activity'), 'testing')
+    #tr01a = tracks.get(trid01)
+    tr01a = tracks['%07i' % trid01]
+    self.assertEqual(tr01a.head, tr01.head)
+    self.assertEqual(tr01a.trackId, trid01)
+    self.assertEqual(tr01a.data.get('activity'), 'testing')
 
-        tr01a.update(dict(text='Set up unit tests.'))
-        tr01a.timeStamp = None
-        self.assertTrue(tracks.save(tr01a) > 0)
+    tr01a.update(dict(text='Set up unit tests.'))
+    tr01a.timeStamp = None
+    self.assertTrue(tracks.save(tr01a) > 0)
 
-        tr01b = tracks.queryLast(taskId='t01')
-        self.assertEqual(tr01b.head, tr01.head)
-        self.assertNotEqual(tr01b.trackId, trid01)
-        self.assertEqual(tr01b.data.get('activity'), 'testing')
+    tr01b = tracks.queryLast(taskId='t01')
+    self.assertEqual(tr01b.head, tr01.head)
+    self.assertNotEqual(tr01b.trackId, trid01)
+    self.assertEqual(tr01b.data.get('activity'), 'testing')
 
-        tr02 = tracking.Track('t02', 'jim', trackId=31, timeStamp=datetime(2023, 11, 30),
-                            data=dict(activity='concept'))
-        trid02 = tracks.upsert(tr02)
-        self.assertEqual(trid02, 31)
-        self.assertEqual(tr02.uid, 'rec-31')
-        tr02.trackId = trid01
-        trid021 = tracks.upsert(tr02)
-        self.assertEqual(trid021, trid01)
-        self.assertEqual(tr02.uid, 'rec-' + str(trid01))
+    tr02 = tracking.Track('t02', 'jim', trackId=31, timeStamp=datetime(2023, 11, 30),
+                        data=dict(activity='concept'))
+    trid02 = tracks.upsert(tr02)
+    self.assertEqual(trid02, 31)
+    self.assertEqual(tr02.uid, 'rec-31')
+    tr02.trackId = trid01
+    trid021 = tracks.upsert(tr02)
+    self.assertEqual(trid021, trid01)
+    self.assertEqual(tr02.uid, 'rec-' + str(trid01))
 
-        tr03 = storage.getItem('rec-31')
-        self.assertEqual(tr03.trackId, 31)
+    tr03 = storage.getItem('rec-31')
+    self.assertEqual(tr03.trackId, 31)
 
-        n = tracks.remove(31)
-        self.assertEqual(n, 1)
-        self.assertEqual(tracks.get(31), None)
+    n = tracks.remove(31)
+    self.assertEqual(n, 1)
+    self.assertEqual(tracks.get(31), None)
 
-        storage.commit()
+    storage.commit()
 
 
 def test_folder(self, config):
-        storage = config.storageFactory(config.dbschema)
-        storage.dropTable('folders')
-        root = folder.Root(storage)
-        self.assertEqual(list(root.keys()), [])
-        root['top'] = folder.Folder()
-        self.assertEqual(list(root.keys()), ['top'])
-        top = root['top']
-        top['child1'] = folder.Folder(data=dict(title='First Child'))
-        self.assertEqual(list(top.keys()), ['child1'])
-        ch1 = top['child1']
-        self.assertEqual(ch1.parent, top.rid)
-        self.assertEqual(list(top.keys()), ['child1'])
+    storage = config.storageFactory(config.dbschema)
+    storage.dropTable('folders')
+    root = folder.Root(storage)
+    self.assertEqual(list(root.keys()), [])
+    root['top'] = folder.Folder()
+    self.assertEqual(list(root.keys()), ['top'])
+    top = root['top']
+    top['child1'] = folder.Folder(data=dict(title='First Child'))
+    self.assertEqual(list(top.keys()), ['child1'])
+    ch1 = top['child1']
+    self.assertEqual(ch1.parent, top.rid)
+    self.assertEqual(list(top.keys()), ['child1'])
 
-        storage.commit()
+    storage.commit()
 
 
 def test_type(self, config):
-        storage = config.storageFactory(config.dbschema)
-        storage.dropTable('types')
-        concept.setupCoreTypes(storage)
+    storage = config.storageFactory(config.dbschema)
+    storage.dropTable('types')
+    concept.setupCoreTypes(storage)
 
-        types = storage.getContainer(concept.Type.prefix)
-        tps = list(types.query())
-        self.assertEqual(len(tps), 5)
-        self.assertEqual(tps[0].name, 'track')
+    types = storage.getContainer(concept.Type.prefix)
+    tps = list(types.query())
+    self.assertEqual(len(tps), 6)
+    self.assertEqual(tps[0].name, 'track')
 
-        tfolder = types.queryLast(name='folder')
-        fldrs = list(tfolder.values())
-        self.assertEqual(len(fldrs), 2)
-        self.assertEqual(fldrs[0].name, 'top')
+    tfolder = types.queryLast(name='folder')
+    fldrs = list(tfolder.values())
+    self.assertEqual(len(fldrs), 2)
+    self.assertEqual(fldrs[0].name, 'top')
 
-        storage.commit()
+    storage.commit()
+
+
+def test_topic(self, config):
+    storage = config.storageFactory(config.dbschema)
+    storage.dropTable('topics')
+    topics = storage.getContainer(topic.Topic.prefix)
+    concept.storePredicate(storage, concept.defaultPredicate)
+    root = folder.Root(storage)
+    root['top']['topics'] = folder.Folder()
+
+    tp_itc = topic.Topic('itc')
+    topics.save(tp_itc)
+
+    storage.commit()
+