You can find any tool by the Menu Structure HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Menu+Structure
You can find the menu location of any tool by name HERE: https://turbocaddoc.atlassian.net/wiki/display/TC20UG/Tools+Mapped+to+Menus
Symbol Libraries
Displays the folders containing files that can be viewed in the Library palette.
Click New to add more folders. You can also modify the name of a library folder or file, or delete or modify symbol library files and/or folders. You can also access the symbol libraries from the Library palette. See Library