The most common theory is that the sign must represent a castle or fortress. Although some say it is a four-leaf clover or a cloverleaf (highway junction). So we cannot say with certainty the origin. What we do know is that Susan Kare did not discover the symbol while on vacation. This is sometimes claimed, but as we mentioned earlier, Susan just

All these Susan Kare icons have now been replaced by modern versions, except for the command character. The decision to put the ⌘ on the keyboard has been upheld. Yet this is not one of Susan’s many designs. The symbol already existed and can mainly be found in Scandinavian countries.