Question

the height of a capital letter measured from the baseline

Answer 1

Cap Height. The height of a capital letter measured from the baseline. In typography, cap height refers to the height of a capital letter above the baseline for a particular typeface.

Answer 2

Answer :

'Cap height' is the height of a capital letter measured from the baseline.

According to Wikipedia, 'In typography, cap height is the height of a capital letter above the baseline for a particular typeface. It specifically is the height of capital letters that are flat—such as H or I—as opposed to round letters such as O, or pointed letters like A, both of which may display overshoot. The height of the small letters is the x-height.'