What is the difference between 'DependsOnTargets' and 'AfterTargets'?

Question

What is the difference between DependsOnTargets and AfterTargets? I can not distinguish these two.

Answer 1

More succinctly from this GitHub issue on Microsoft Docs:

means:

If something wants to run x, y must run first.

means:

If something runs b, then run a after it.