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
Relocate Origin
Hotkey:L, Shift+ L
For Relative and Polar coordinates, moves the relative origin.
If you want to fix the relative origin in place, open the Preference page and check Fixed relative origin.