Ledgers: Horizontal members connecting the standards.
Transoms: Cross members that support the working platform.
Braces: Diagonal supports that provide stability.
Platforms or boards: Surfaces where workers stand and place materials.
Base plates and adjustable jacks: Distribute loads and level the scaffold.
Guardrails and toe boards: Safety features to prevent falls and falling objects.
Couplers or clamps: Connect the scaffold tubes together.