Personal preference here, but I generally like to write the "full" version of configuration option names in my .vimrc (and when giving config advice to other Vi

Personal preference here, but I generally like to write the "full" version of configuration option names in my .vimrc (and when giving config advice to other Vim users), because after a month of not touching my RC file, it's easy to forget what those abbreviations stand for. (I tend to limit the shorthand versions of things to the interactive Vim commandline.)