Display Type - Display type is any type that is set at larger than 12 points. This size is used for headlines in a newspaper, the chapter headings in a book or the title of your essay paper. This is also used in advertising and on signs and posters. The size calls attention to whatever is set in display type. Family - A family of fonts is a collection of fonts that have the same name, but different styles.
Style changes can include bold, italic, condensed, expanded, outline, shadow, etc.
The only requirement to belong in the same family is that they have the same basic name. Here is an example of the AGaramond family of fonts. Filet - A filet is a decorative connection between the serif and the stroke of a letter. A fillet can be curved or straight. Font - A complete assortment of letters and symbols in one size and style.