<h2>Clicking</h2>
<p>
Throughout this manual, the term <dfn>click</dfn> refers to the act of pressing
- and releasing the leftmost mouse button (technically identified as
- <kbd class="mouse">Button1</kbd>, but your operating system may allow
- this to be reassigned). This action is used to select objects, activate
+ and releasing the <kbd class="mouse">Left</kbd> mouse button. This action is used to select objects, activate
buttons, turn choices on and off, pop up menus and so forth.<br />
On touch surfaces, it also corresponds to a single, one-finger tap on
the GUI.
<h2>Right Clicking</h2>
<p>
The term <dfn>right-click</dfn> refers to the act of pressing and releasing
- the rightmost mouse button (internally called <kbd class="mouse">Button2</kbd>,
- but again your operating system may allow this to be reassigned).
+ the <kbd class="mouse">Right</kbd> mouse button.
This action is used to pop up <dfn>context menus</dfn> (hence the term
"context click", which you will also see). It is also used by default in
combination with the shift key to delete objects within the editor
window.
</p>
<p class="note mac">
- Mac OS mice sometimes have only one button. On Mac OS if you press and hold
- the Control key this is equivalent to right-clicking.
+ Some mice designed for use with Mac OS X may have only one button. By
+ convention, pressing and holding the Control key while clicking is
+ interpreted as a right-click by many application..
</p>
<h2>Middle Clicking</h2>
<p>
A <dfn>middle-click</dfn> refers to the act of pressing and releasing the
- middle mouse button (<kbd class="mouse">Button3</kbd>, which may also be
- reassigned). Not all all mice have a middle click button
+ <kbd class="mouse">Middle</kbd> mouse button. Not all all mice have a middle click button
(see the <a href="/setting-up-your-system/mouse/">Mouse</a> chapter for
details). Sometimes the scroll wheel acts as a clickable middle button.
This action is used for time-constrained region copying and mapping MIDI
bindings.
</p>
+<p class="note">
+ Internally, your operating system may identify the mouse buttons as
+ <kbd class="mouse">Button1</kbd>, <kbd class="mouse">Button2</kbd>, and
+ <kbd class="mouse">Button3</kbd>, respectively. It may be possible to
+ invert the order of buttons to accommodate left-handed users, or to re-assign
+ them arbitrarily. This manual assumes the canonical order.
+</p>
<h2>Double Clicking</h2>
<p>