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typography Typography is the art and technique of Typesetting, arranging type to make written language legibility, legible, readability, readable and beauty, appealing when displayed. The arrangement of type involves selecting typefaces, Point (typogra ...
, the mean line is the imaginary line at the top of the
x-height upright 2.0, alt=A diagram showing the line terms used in typography In typography, the x-height, or corpus size, is the distance between the baseline and the mean line of lowercase letters in a typeface. Typically, this is the height of the le ...
. upright 2.0, alt=A diagram showing the line terms used in typography Round
glyphs A glyph ( ) is any kind of purposeful mark. In typography, a glyph is "the specific shape, design, or representation of a character". It is a particular graphical representation, in a particular typeface, of an element of written language. A ...
will tend to break ( overshoot) the mean line slightly in many
typefaces A typeface (or font family) is a design of letters, numbers and other symbols, to be used in printing or for electronic display. Most typefaces include variations in size (e.g., 24 point), weight (e.g., light, bold), slope (e.g., italic), width ...
, since this is aesthetically more pleasing, otherwise curved letters such as ''a'', ''c'', ''e'', ''m'', ''n'', ''o'', ''r'', ''s'', and ''u'' will appear visually smaller than flat-topped (or bottomed) characters of equal height, due to an
optical illusion In visual perception, an optical illusion (also called a visual illusion) is an illusion caused by the visual system and characterized by a visual perception, percept that arguably appears to differ from reality. Illusions come in a wide varie ...
.


References


External links

* Page 31
The Complete Manual of Typography: A Guide to Setting Perfect Type, Second Edition
by James Felici {{DEFAULTSORT:Mean line Typography