Process Framework: Update classes, interfaces and actor with consistent naming

[esttenorio]

Currently there are inconsistent, not as descriptive names used in the Process Framework:

Should update existing names allowing better readability and extension of new features when adding.

[moonbox3]

Python mirrors this, so we'd need to update there, too.

[github-actions]

This issue is stale because it has been open for 90 days with no activity.

[github-actions]

This issue was closed because it has been inactive for 14 days since being marked as stale.