Kanji
1. cavities in the frame of a door used as part of a pivot hinge
2. door
1. pivot hinge (using extensions on the top and bottom of a door that fit into cavities in the frame)
2. sliding wooden bolt (for holding a door or window shut)
1. extensions on the top and bottom of a door that fit into cavities in the frame (as part of a pivot hinge)
1. With regard to the pivot; Around the pivot
1. Pivot; Center
1. Pivotal; Central
1. Was pivotal; Was central
1. Probably…pivot.; Probably…center.
1. Not a pivot.; Not central.