| CSI Division | A CSI division is a numbered category used in MasterFormat to group related specification sections and work results. | Specifications & Standards |
| Division 08 | Division 08 is the MasterFormat division for openings. | Specifications & Standards |
| Elevation | An elevation is a drawing view that shows the vertical face of a building, room, wall, or object. | Specifications & Standards |
| Flashing | Flashing is thin material installed to direct water away from joints, openings, edges, or transitions. | Specifications & Standards |
| Glazing | Glazing is glass and related components used in windows, doors, storefronts, curtain walls, and other openings. | Specifications & Standards |
| Guardrail System | A guardrail system is a barrier used to keep workers from falling from edges, openings, platforms, or elevated work areas. | Specifications & Standards |