Slot
From Speedsolving.com Wiki
A slot in the most common form, usually found in LBL methods, is a combination of a first layer corner and edge. A slot is usually 'filled' post cross in order to complete the F2L.
A slot in the most common form, usually found in LBL methods, is a combination of a first layer corner and edge. A slot is usually 'filled' post cross in order to complete the F2L.