When typing a document, there are many functions on a computer that someone must know in order to adequately type their document. If someone is wanting make their writing stand out, then the wording will need to be bolded. On a computer, the typist can underline, highlight and italicizing. When you are typing in a document, it must be saved. Before it is saved for its final time, then the typist may do a spell check. The computer will check for common spelling errors. When you want to print it, you can preview it first to see what it will look like.