A line starting with the # sign is comments.
Buttons, menus, parameters, tabs, window, and dialog titles are
in boldface. For example, click OK.
Multi-level menus are in boldface and separated by the ">" signs.
For example, choose File > Create > Folder.
Press the key. For example, press Enter and press Tab.
Press the keys concurrently. For example, pressing Ctrl+Alt+A
means the three keys should be pressed concurrently.
Press the keys in turn. For example, pressing Alt, A means the two
keys should be pressed in turn.
Select and release the primary mouse button without moving the
pointer.
Press the primary mouse button twice continuously and quickly
without moving the pointer.
Press and hold the primary mouse button and move the pointer
to a certain position.