I actually do C-h i, then C-s for package name. Then RET on the package name, then C-s <term> RET and hit C-s repeatedly until I'm near a page node that seems r

I actually do C-h i, then C-s for package name. Then RET on the package name, then C-s <term> RET and hit C-s repeatedly until I'm near a page node that seems reasonable. Also, C-h C-h will show you the help of help commands. M-x apropos-value is crucial when you don't know what variable it is, but you know it's somewhere.