1. Weight - the overall thickness of strokes in relation to their height. standard weights within a family often include light, medium (regular), bold, and black or heavy weights.
2. Width - how wide the letterforms in a typeface are in relation to their height. a typeface in which the letterforms are narrower than regular is referred to as condensed or compressed; a face that is wider than regular is referred to as extended or expanded.
3. Style - A term referring to several aspects of a typeface. first, style can be divided into serif or sans serif. Second, style can be historically classified based on the visual idiosyncrasies related to its historical context. Third, style refers to the specific form variations that a designer has imposed on the letters, like neutral or stylized.
4. The point system is used to measure type. one point equals 1/72 inch or .35 millimeters. twelve points equal one pica, the unit commonly used to measure column widths. Type can also be measured inches, millimeters, or pixels. Most software applications let the designer choose a preferred unit of measure; picas and points are a standard default.
5. Point - measurement equivalent to 1/72 inch or .35 millimeters
6. Pica - measurement equivalent to twelve points
7. 1 inch = 72 points
8. If a letter is set in 36 pts it is a 1/2 inch tall
9. 1 inch = 6 picas
10. 1 pica = 12 points
11. x-height - the height of lowercase letters in proportion to the ascenders and descenders.
12. Cap height - the height of the capital letter.
13. Leading - amount of vertical spacing between lines of type.