Directional signs take many forms:

For example:
Fingerposts – cast in aluminium with letters and detail in relief
Maps – Cast in polyurethane with detail in relief as the Ampthill Square Estate example above
Or alternatively printed onto aluminium and encapsulated
Internal floor and flat numbers – Cast in polyurethane with detail in relief, painted to match the decor
OR alternatively a printed aluminium composite panel with braille added
Street signs with directional arrows