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
Groups, Blocks, and the Library
Groups, blocks, and symbols are features that enable you to combine and store multiple objects for easy access, and for additional and future use.