This is one of the times when an IDE (hat-tip to Jetbrains, but many other are available) really comes into its own. Fast navigation facilitates understanding.

This is one of the times when an IDE (hat-tip to Jetbrains, but many other are available) really comes into its own. Fast navigation facilitates understanding. If you really are a vim die-hard, "exuberant ctags" is an excellent tool in this area.