Typography – Typeface character elements

Craig Nugent
Thursday, February 5th, 2009

This is the first in what might be a lengthy series on typography. The guidelines will be general at first, with an increasing focus on website typography.

To have a meaningful discussion on typefaces it is important to get to grips with the terminology. That being said let’s take look at the the constituent parts of individual characters in a typeface.

  1. Arm — The projecting upward or horizontal strokes not enclosed within a character as in E, L, K.
  2. Ascender — The stem of a lowercase letter that extends above the x height as in lowercase b, d, k.
  3. Crossbar — The connecting horizontal stroke between two stems, as in A, H; or the projecting stroke necessary for the formation of a letter,
    as in f and t.
  4. Baseline — The line on which type sits.
  5. Bowl — An enclosed round or oval stroke, as in p, g, O.
  6. Cap Height — A measurement taken from the baseline of a cap to the top.
  7. Counter — An enclosed or partially interior space within a character.
  8. Descender — The stem of a lowercase letter extending below the baseline, as in p, q.
  9. Ear — The small projecting stroke attached to the bowl of a lowercase g or the stem of a lowercase r.
  10. Link — Stroke connecting the bowl and loop of a lowercase serif g. (as shown above)
  11. Loop — Lower section of a lowercase serif g.
  12. Serif — The horizontal or diagonal strokes drawn across a stem, arm or tail. (as shown above)
  13. Shoulder — The curved stroke on m, n, and h. (as shown above)
  14. Spine — The central curving stroke of the letter s.
  15. Spur — The pointed projection off the main stem of an uppercase G or lowercase b.
  16. Stem — The main vertical or oblique stroke, as in L, Y, B or V, W, A.
  17. Stress — The degree of incline formed by the relationship between thicks and thins of the bowl in round non-linear letters. There are two kinds of stress; inclined or vertical. Also known as curve stress or axis.
  18. Stroke — Straight or curved line on any letter.
  19. Swash — An exaggerated flourish normally on characters belonging to scripts or brush script typefaces.
  20. Tail — The descender of a Q or short diagonal stroke on an R.
  21. Terminal — The end of a stroke without a serif.
  22. X-height — The height of lowercase letters minus their ascenders and descenders.

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