deactivate the mark at any time, by typing @kbd{C-g}
(@pxref{Quitting}).
- Many commands limit what they do to the active region. For
-instance, the @kbd{M-%} command (which replaces matching text)
-normally works on the entire visible part of the buffer, but if you
-have an active region, it'll work on just that region instead.
+ Many commands limit the text on which they operate to the active
+region. For instance, the @kbd{M-%} command (which replaces matching
+text) normally works on the entire accessible portion of the buffer,
+but if you have an active region, it'll work only on that region
+instead.
The mark is useful even if it is not active. For example, you can
move to previous mark locations using the mark ring. @xref{Mark