Ascender The part of a lowercase letter that rises above the main body of the letter (as in b, d, h). The part that extends above the x-height of a font.
Arm The short, upward sloping stroke or horizontal projection of characters like the 'X' and 'L'.
Bowl The enclosed oval or round curve of letters like 'D', 'g', b', and 'o'. In an open bowl, the stroke does not meet with the stem completely; a closed-bowl stroke meets the stem.
Descender The lowest portion of letters such as 'g,' 'j,' 'p.' 'q,' and 'y' that extends below the baseline, or reading line of type. (See descender line.) The portion of a lowercase letter that extends below the base line of the letter.
