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
Select by Fence
Selects a set of objects by drawing a closed polygonal "fence" around them. See Irregular Polygon for details on how to create the fence.
If Open Window Mode is activated, all objects completely or partially inside the fence will be selected.
If Open Window Mode is not activated, only objects completely inside the fence will be selected.