The sides, top, and sill of a window, door, or other opening.
That part of a structure that 'jets out' or projects and overhangs the wall below. An upper floor in which a horizontal beam (jetty bressummer) supports the wall above and projects beyond the floor below.
The joining together of wood components often without employing mechanical or non-wood fasteners. In furniture and log home and timberframe construction, joinery most often refers to corner techniques and mortise and tenon joints. Joinery used to build a house is different from that used to make toys, but elements of the process overlap.
The structural members which support the floor and ceiling loads. A joist is one of the horizontal supporting members that run from wall to wall, wall to beam or beam to beam, to support a ceiling, roof (or floor). Typically a beam is bigger than a joist and thus is distinguished from a joist. See also I-Joists.