You can insert a line in a Word document by typing three characters that autocorrect into a line. Characters like underscores, equal signs, and pound signs autocorrect into different kinds of lines.

You can draw freely on Microsoft Word using the "Draw" feature whether you have Word for Mac or Windows.

Check out a free online tool like Project // DRAW, or do it on paper with a five-minute flowchart template from blogger John Richardson. Create A Flow Chart In Word 2007 [Mysticgeek's Realm | The ...