Can refer to the measurement of an arm's length or a unit of measure.
La braza de este mueble es muy amplia.
The span of this piece of furniture is very wide.
A medida que crecía, su braza se hacía más fuerte.
As he grew, his span became stronger.
La braza del artista era suficiente para abarcar toda la tela que tenía frente a él.
The artist's span was enough to cover the entire canvas in front of him.