A joiner is a woodworker who makes and installs architectural woodwork, including things that are called "finish carpentry" and "millwork" in the USA and UK. Joiners fabricate and install building components such as doors, windows, stairs, wooden panelling, mouldings, shop cabinets, kitchen cabinets, and other wooden fittings. A door is a panel or barrier usually hinged or sliding that is used to cover an opening in a Wall or partition going into a building or space GlassWindowjpg|thumb|right|190px|A stained glass panel depicting Biblical scenes at a historic church in Scotland]] A window is an opening Molding (USA or moulding (AUS CAN UK is a strip of material with various Cross sections used to cover transitions between surfaces The skills of a joiner are somewhat intermediate between a carpenter and a cabinet maker. A carpenter (builder is a skilled craftsman who performs carpentry - a wide range of Woodworking that includes constructing buildings, Cabinet making is the practice of utilizing various Woodworking skills to create cabinets shelving and Furniture.

The joinery and joiner usage is obsolete in the USA, although the main carpenters' trade union still calls itself the United Brotherhood of Carpenters and Joiners of America. Template talkInfobox Union for usage --> The United Brotherhood of Carpenters and Joiners of America is one of the