frame
Assembly of members that consists of the load-bearing structure of a building and that provides stability to it.
window sill 
Level member at the bottom of a window opening.
stud 
Vertical member used in walls to support the double plate and to which the wall covering is attached.
girder 
Especially strong level member transferring the load above it to its supporting wall.
ledger 
Level member located along a girder and supporting the ends of the floor joists.
brace 
Vertical or diagonal member used to strengthen the studs and to keep them from deforming.
bridging 
Structure composed of two members forming an X and placed between the joists to reinforce them and keep them from deforming.
floor joist 
Level member resting on a ledger and a sill plate and intended to support the floor.
end joist 
Member perpendicular and attached to the floor joists at their ends to form the exterior framework.
corner stud 
Strong stud located at the corner of the frame.
foundation 
Part of the wall located below ground level and wider than the wall itself, which it supports; it is usually made of cement.
sill plate 
Member anchored to the top of the foundation wall; the floor joists and the end joists rest on it.
strut 
Member placed between two studs to keep them evenly spaced and to increase stability and strength.
subfloor 
Planks or plywood laid on floor joists; the floor covering is in turn laid on it.
sheathing 
Wall covering attached directly to the frame serving as a base or support upon which to nail other facings.
rafter 
Diagonal frame member of a sloped roof resting against the tie beam and the double plate; it supports the roof.
tie beam 
Beam forming the hip of a sloped roof and against which the rafters rest.
gable stud 
Vertical member of a frame transferring the roof’s load to the double plate.
double plate 
Level double member attached to the top ends of the studs; it also supports ceiling joists and rafters.
ceiling joist 
Level member to which the ceiling sheathing is attached; for a sloped ceiling, it is usually attached to the rafters.