Add details of bucket-vs-database-stored data

content/guides/hosting/data-security/secure-storage-connector.md

@@ -15,6 +15,24 @@ Bring your own bucket (BYOB) allows you to store W&B artifacts and other related
 * You can specify a sub-path when configuring a bucket, to ensure that W&B does not store any files in a folder at the root of the bucket. It can help you better conform to your organzation's bucket governance policy.
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+## Data stored in the central database vs buckets
+
+When using BYOB functionality, certain types of data will be stored in the W&B central database, and other types will be stored in your bucket. 
+
+### Database
+
+- Metadata for users, teams, artifacts, experiments, and projects
+- Reports
+- Experiment logs
+- System metrics
+
+## Buckets
+
+- Experiment files and metrics
+- Artifact files
+- Media files
+- Run files
+
 ## Configuration options
 There are two scopes you can configure your storage bucket to: at the *Instance level* or at a *Team level*.