Pica is a unit of measurement in typography traditionally used to measure type sizes, leading (the space between lines of text), and other elements of a printed layout. One pica is equal to 1/6 of an inch or 12 points. Therefore, there are 6 picas in an inch. In practical usage, picas are often represented in design software and print layouts to help designers specify dimensions related to typography, such as margins, column widths, and line spacing.
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