In BIM.works a "Version" refers to a specific version of a Model.
By whom this Version was created. This will normally contain the full username (email address) of the user that created the Version
When this particular Version was created, unmodifiable
The name of the Node this Version belongs to, denormalized
Unique ID of the Node this version belongs to. A Node can have multiple Version
The status of this Version
Unique ID of the Version. Also commonly called "versionUuid" or Vid
The integer version number of thie Version. Usually these are incrementing with each new Version on a Node, starting at one