We tug our hammer-headed mules along the tourist trails of Petra, the fabled Nabataean capital cut from rock the color of living muscle.

We're being beaten! We need a time-out!

But when Bobby got busted, it all went Pete Tong for him.

For instance he cannot tell the time on the clock, since that depends on the relation of the direction of the hands to each other. This inability to differentiate the directions in relation to each other is a possible cause of optical agnosis. There is a direction element in the form of every object.