Question about Local, World and Transform Space in Curve Editor


In the Curve Editor, in the Drivers property panel, can anyone tell me what Transform Space is?

Local Space is easy: local to the object
World Space ditto: in relation to world coordinates

Transform Space: ?

Okay, I found this in the API docs:

transform_spaceSpace in which transforms are used

  • WORLD_SPACE World Space, Transforms include effects of parenting/restpose and constraints.
  • TRANSFORM_SPACE Transform Space, Transforms don’t include parenting/restpose or constraints.
  • LOCAL_SPACE Local Space, Transforms include effects of constraints but not parenting/restpose.