If people have to spend extra time to understand what have written, then they will disregard your design. Avoid using fancy fonts or uppercase text in large bodies of text as it forces strain on the reader's eye. It's better to use decorative typefaces only for titles and headlines.

What are fonts used for?

Fonts can create mood and atmosphere. Fonts can give visual clues about the order a document should be read in and which parts are more important than others. Fonts can even be used to control how long it takes someone to read a document. The professional printing industry has recognized this fact for a long time.

How do you correctly use fonts?