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imagesetter

A device for imaging type and graphics on photosensitive paper or film. An imagesetter that can create page images directly on a printing plate is called a platesetter.

indent on point

A left indent on a line of type whose depth is defined by a point specified in the previous line. Such an indent can remain in effect over a series of successive lines to create a hanging indent.

indention

Moving the margin of one or more lines of type to the left, to the right, or both simultaneously.

inferior

In type, a character or symbol set at a reduced point size and sunk below the baseline.

ink trap

See ink well.

ink well

A feature of some typeset characters that anticipates the effect of ink filling in certain fine details during printing. The crotch of a V, for example, may have an exaggerated deep cleft; when plugged with ink, this cleft will yield a normally shaped character.

install

To make a font available to the operating system, which in turn will serve it to application programs.

instructions

See hints.

italic

A slanted form of a typeface used as a complement, usually for emphasis or distinction. True italics have a cursive or calligraphic quality, but the term is often also applied to characters that are based on slanted versions of roman forms (also called obliques).

ITC

The International Typeface Corporation, the creator of the first system-independent typeface library. ITC licensed its faces to vendors of proprietary, dedicated typesetting systems so that a standard library of typefaces could be available on diverse systems. Now a digital type foundry in its own right.