I sometimes use one-character names as a semantic hint that the variable is short-lived and relatively unimportant. I may not know at a glance what "c" means, b

I sometimes use one-character names as a semantic hint that the variable is short-lived and relatively unimportant. I may not know at a glance what "c" means, but I know it's something that was assigned within the last few lines, and that won't live beyond the next few.