The pen data generated between two pen tip transitions. For example, when the pen touches the tablet (pen down), all data generated as the pen moves comprises a pen-down stroke until the pen leaves the tablet. If the tablet can sense proximity strokes, the pen movement above the tablet surface forms a separate pen-up stroke until the pen either leaves the tablet's range of sensitivity or touches down again. Thus, in noncursive printing, the letter "c" is formed as a single stroke while the letter "E" requires several pen-down strokes separated by pen-up strokes. See also pen-down points, pen tip transitions, pen-up points, proximity strokes.

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