Coordinate System
Extents by – Sets the coordinate system (workplane) used by the selector shell. Because these settings work in tandem with other settings, their performance can become complex
Edit Bar CS – Sets which coordinate system will be used in the Edit Bar.
You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC21UG/Tools+Mapped+to+Menus
General
Content
Integrations