1. Typography

2. Base line Base line The imaginary line on which all characters rest

3. Mean line Mean Line Mean line The imaginary line which determines the height of lower case letters.

4. x-height x-height The height of the lower case letters such as x, a, o

5. Ascender Ascender The stroke of a letter which rises above the Mean Line Such as k, h, l. Ascender line Mean line Ascender line The imaginary line which determines the height of the ascender

6. Descender Base line Descender line Descender Descender The stroke of a letter which hangs below the Base line Such as p, y, g. Descender line The imaginary line which determines the length of hang

7. Body size Body size The size of the type being used; measure from the end of the ascender to the end of the descender.

8. Serif Serif Small strokes and cross-lines at the end of major lines

9. Set width Set width Width, in units, allowed for each letter which varies between letters and typefaces.

10. Cap line Cap line The height of capital letters. Depending on type design, capitals may be taller/shorter or same height as ascenders.

11. Cap height Serif Descender Ascender Set width Ascender line Cap line Mean line Base line Descender line x-height Body size Typography