Answer :
Final answer:
A font’s point size refers to the height of the letter 'x' in that font. This standard method of measurement is used because 'x' is present in every font and provides a consistent reference point. Different letters may be taller or shorter than the point size due to varying design elements of the font.
Explanation:
The measure that determines a font’s point size is c) the height of the letter 'x' in the font. This is the primary method typographers use to determine font size. It has been a standard since the times of metal typesetting. For instance, in a 10-point font, the 'x' is 10 points high. This is a reliable standard because the letter 'x' is typically present in every font, unlike punctuation or special characters. It is important to note that individual letters may be taller or shorter than the font's point size due to varying design elements, such as ascenders, descenders, or capital letters.
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