> The general rule of thumb is that the length of a name should be proportional to the size of its scope and inversely proportional to the number of times that it is used within that scope.
> A variable created at file scope may require multiple words, whereas a variable scoped to a single inner block may be a single word or even just a character or two, to keep the code clear and avoid extraneous information.
I love how it covers both short iterators and long descriptive names under a single principle.
