Begin a negative numeric argument for the next command
(negative-argument).
Part of the numeric argument for the next command
(digit-argument).
Move point to the beginning of the buffer; leave mark at previous
position (beginning-of-buffer).
Move point to the end of the buffer; leave mark at previous position
(end-of-buffer).
Display documentation of current major mode and minor modes
(describe-mode). The major mode description comes first,
followed by the minor modes, each on a separate page.