The term window pane shutter includes both inner shutters, applied on the inside of a building or house, and outside shutters, used on the outer of a structure.
The okwu window shutter na-agụnye ma ime shutters, ji na n'ime ụlọ ma ọ bụ ụlọ, ma mputa shutters, eji na-abụghị nke a Ọdịdị.