On Hide menu you can find all the tools related to make some faces invisible.
Activate Hide Tool: Show or hide faces from the screen view.
Hide Painting Object: Hide specific Paint Object by name.
Hide Surface Material: Hide specific Surface Materials by name.
Unhide Painting Object: Unhide specific Paint Object by name
Unhide Surface Material: Unhide specific Surface Materials by name
Unhide All:
Hide Frozen Area:
Invert Hidden Faces: This option hides visible faces, and unhides faces that are currently hidden.
Delete Hidden Faces Permanently: Delete hidden faces permanently. This operation cannot be undone.
Expand Hidden Area: Use CTRL+NUMPAD+ to gradually expand the hidden area.
Contract Hidden Area: Use CTRL+NUMPAD- to gradually reduce the hidden area.
Store Hidden State:
Restore Hidden State: