The keyboard offers another way to communicate with your computer. In addition to typing text and numbers, you can use it to choose menu commands.
There are three types of keys on a Mac OS keyboard:
Character keys, such as letters, numbers, and symbols, are for typing information. Some character keys have special functions, as listed in Table 1.
|Enters information or “clicks” a default button.|
|Begins a new paragraph or line or “clicks” a default button.|
|Advances to the next tab stop or the next ...|