> "If I can't search the file for this variable and find it easily, it's a bad name" Like parent mentions, this is about scoping. My rule about short variables

> "If I can't search the file for this variable and find it easily, it's a bad name" Like parent mentions, this is about scoping. My rule about short variables is that I have to see their _full_ use (including declaration) in only a few lines on the screen. Personally I prefer single letter variables especially in lambdas for consistency (x, y, z).