In typography, all caps (short for "all capitals" or "all capitalized") refers to text or a font in which all letters are capital letters. All caps is usually used for emphasis. It is commonly seen in the titles on book covers, in advertisements and in newspaper headlines. Short strings of words in capital letters appear bolder and "louder" than mixed case, and this is sometimes referred to as "shouting". All caps can also be used to indicate that a given word is an acronym.
Studies have been conducted on the readability and legibility of all caps text. Some 20th-century scientific testing indicates that all caps text is less legible and less readable than lower-case text. The typographer Colin Wheildon has stated that there is an "apparent consensus" that lower-case text is more legible.
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Famous quotes containing the word caps:
“... people were so ridiculous with their illusions, carrying their fools’ caps unawares, thinking their own lies opaque while everybody else’s were transparent, making themselves exceptions to everything, as if when all the world looked yellow under a lamp they alone were rosy.”
—George Eliot [Mary Ann (or Marian)