Type Up-Close
Arm: The stroke that stretches away from the letterform.
Ascender: The vertical strokes of a letterform that rise from the main body or x-height. Can be taller than the cap height.
Baseline: The horizontal line that the letters rest upon (rounded forms and descenders can cut below for visual balance).
Bowl: The rounded shape of a letterform.
Cap Height: The vertical measurement of the capital letters. Varies from typeface to typeface.
Counter: The interior space inside a letter. From the old type foundry's process of counter punching the metal or wooden type blocks.
Cross Bar: The linking horizontal stroke of a letterform.
Descender: The vertical strokes of a letterform that drop from the main body or x-height.
Leg: The diagonal stroke of a letterform.
Serif: The small strokes found along the tops, or ends of letter forms.
Terminal: The end stroke of a letter form. Vertical versus angled terminals can help define closely resembled typefaces.
x-Height: The vertical measurement of the lowercase letters. Varies from typeface to typeface.