The Many Faces of % in Vim

Pity the poor Vimmer for he has so many a face to put to percent:

Help Topic	Description
N%	go to {count} percentage in the file
%	match corresponding [({})] (enhanced with matchit.vim plugin)
g%	enhanced match with matchit.vim plugin — cycle backwards through matches
:%	as a range, equal to :1,$ (whole file)
:_%	used as an argument to an :ex command as the name of the current file
"%	as a register, the name of the current file
expr-%	in VimL as modulo operator
expand(), printf() and bufname()	in VimL use % in printf-like format specifiers
'grepformat', 'errorformat', 'shellredir', 'printheader' and 'statusline'	various options use % as a printf-like format specifier
Regular Expression Atoms:
Match locations:
\%#	cursor position
\%'	position of a mark
\%l	specific line
\%c	specific column
\%v	specific virtual column
\%(	non-backref capturing group
\%[	sequence of optionally matched atoms
Numeric character specifier in matches:
\%d	decimal
\%o	octal
\%x	hex (2 digits)
\%u	hex (4 digits)
\%U	hex (8 digits)
Absolute file or string boundaries:
\%^	start of file (or start of string)
\%$	end of file (or end of string)
\%V	match inside visual area