The appearance of your text is significantly determined by the base font. You may choose a font that's especially clear and readable for a long piece of writing, or a fancy font for a greeting card. Your job application letter might use a very clear and serious font, whereas a mathematical article requires fonts with a lot of symbols and a text font that fits well with them.
Until now, we have been covering the logical properties of fonts. Though we always used the LaTeX standard font, we switched, for instance, from roman to sans-serif, or to typewriter, learned how to make text bold, italic, or slanted, but we never left the standard set of fonts.
In this chapter, we shall learn how to: