To traverse an array means to access each element (item) stored in the array so that the data can be checked or used as part of a process. In most high-level languages, it is necessary to create a ...

This requires much more code to be written and is less efficient than creating an array capable of storing ten elements.

On the surface, the 1D Mark III's AF system looks a lot like those of its predecessors, in that there's the same 45-point array of AF sensors that we've seen in all the EOS-1 series models.