Help options
C-h key-map
b Display all key bindings.
e Display documentation for explore views.
f FUNCTION Display documentation for the given function.
F COMMAND Display documentation for the given command.
#** m Display documentation of current mode.
i Start the Info documentation reader: read included manuals.
#** k KEYS Display the full documentation for the key sequence. #C* v VARIABLE Display the given variable's documentation and value.