What is an all capital font?
When text is set in only uppercase letters, it's commonly abbreviated as all-caps. All-caps text can be hard to read unless that text is very short, so it's best to keep it brief, such as for titles or emphasis. Don't use it for body text.
What are the 4 major font types?
Learning about the four main font categories—Serif, Sans Serif, Display, and Script—is an excellent place to start. Let's review the basics about each font type and some examples of brands that use them.