Knowledge Base
Resources
Supporting knowledge assets and related objects exposed alongside Files and Vectors.
Resources
In the product UI, Resources sits alongside Files and Vectors as part of the knowledge-base area.
For most teams, the main workflow still starts with:
Use Resources as the broader bucket for knowledge-related supporting objects shown in the admin UI.
If you're just getting started with RAG, you usually do not need to begin here. Start with Add a Knowledge Base, then come back as needed.