Small wood members typically with maximum dimensions in the order of 100 mm. Usually, they are closely-spaced. Light wood framed house construction, which usually includes sheet linings or wood boards that provide most of the bracing is classified as a Wall lateral load-resisting system.
Light Wood Framing, New Zealand (A.Charleson)
Modern Japanese house under construction, showing full storey diagonal bracing (note, some bracing is only temporary) (C. Scawthorn)