In TOGAF, what is the difference between an artifact and a deliverable?

An artifact contains one or more deliverables

Artifacts and deliverables are synonymous; there is no difference between them

Deliverables are prepared by the Project Manager, whereas artifacts are defined by the Architect

Deliverables are reusable, whereas artifacts are unique to a given architecture project

Deliverables are specified as contractual outputs from a project, whereas artifacts are not