| Bay | Distance between one cross-frame (truss) and another. |
| Beam | Horizontal timber |
| Brace | Diagonal timber between vertical & horizontal members of a frame. |
| Arch braces | Curved braces between vertical and horizontal members of a frame |
| Passing braces | |
| Wind braces | |
| Close studding | Subsidiary member in a framed wall, spaced approx. the same as stud widths. |
| Collar | see Roof structures |
| Crown post | see Roof structures |
| Joists | Horizontal, parallel timbers supporting floor boards and/or ceilings. |
| Jowl | Enlarged top of a wall post |
| Panel | Subdivision of a bay |
| Post | Vertical timber |
| Purlin | see Roof structures |
| Queen struts | see Roof structures |
| Rafter | see Roof structures |
| Rail | Horizontal member of a wall frame or panel |
| Spine beam | Heavy horizontal timber laid parallel to the long axis of a building to support joists, either directly or through a cross beam. |
| Stud | Subsidiary member of a framed wall or partition. |
| Tie beam | Beam connecting two slopes of roof across its foot, usually at wall plate level. |
| Truss | Framework across a roof at intervals carrying longitudinal timbers Also a complete cross-frame from ground to ridge |
| Closed truss | spaces between timbers are filled in e.g. rooms |
| Open truss | spaces between timbers are left open e.g. barns |
| Wall plate | see Roof structures |