Alamar da ke nuna siffofi daban-daban suna nuna ma'ana daban-daban:

Equatorial triangle: Ana amfani da alamun gargadi

zagaye: don haramta da kuma nuna flags

Inverted isogonal triangle: banned flag don "rage barin layi"

Octagon: tabbatar da alama don "ajiye motoci bari layi"

Fork: Alamar gargadi don "Alamar Fork na Railway Crossing"

Square: Ana amfani da alamun hanyar, wani ɓangare na gargadi, haramta da kuma nuna alamun, yawon shakatawa yankin alamun, taimakon alamun, nuna alamun da sauransu

Baya ga alamar mutum, launin iyakar alamar ya dace da launin hoto ko haruffa na alamar, kuma launin liner na alamar waje da alamar da aka nuna ya kamata ya dace da launin ƙasa na alamar.