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Facsimile |
Electronic representation of images, often entire documents, for transmission over a distance, frequently by a telephone or computer network using digital encoding. |
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Family |
A related set of typefaces. |
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Fields |
The portions of a displayed frame that are scanned alternately in an interlaced refreshing scheme. In broadcast television, the lines in the two fields alternate, and each field contains half of the scan lines. |
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Figure (perception) |
The object seen, as separated in the act of seeing from everything else in the image. |
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Figure (typography) |
A picture or diagram that may be included within the body of a typeset document. |
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Figures (lining) |
Modern numbers, all of which rest on the baseline. |
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Figures (nonlining) |
Old-styled numbers, some of which (3,4,5,7,9) descend below the baseline. |
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Fill |
The graphical operation of reproducing a pattern or colour through, out a bounded area. |
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Fixation |
The stopping of the eye to sample the visual scene. Even during fixations, there are continual small motions of the eye. |
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Fixed pitch |
Monospaced type. |
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Fleuron |
A printer's flower or ornament. |
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Flicker fusion frequency |
The temporal rate of intensity variation of alight or image at which a particular person sees the light as steady. Flicker-fusion frequency varies from person to person, with the degree of modulation of the intensity variation, and with the angle from the centre of the visual field. |
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Floating object |
An illustration, table, or diagram that the document formatter is free to place in various places relative to the running text. |
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Flower |
A printer's decorative symbol. Also called a fleuron. |
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Flush left |
Setting lines of text so that any extra space is on the right, and the text is against the left margin. Also called ragged right. |
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Flush right |
Setting lines of text so that any extra space is on the left, and the text is against the right margin. |
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Folio |
A page number, for example as part of a running head or foot. |
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Font |
A set of characters. In the world of metal type, this means a given alphabet, with all its accessory characters, in a given size. In the world of digital type, it is the character set itself or the digital information encoding it. |
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Footnote |
A floating note associated with a location and reference mark in a text and displayed at the bottom of the page on which the mark occurs. |
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Foreground |
The image or figure, as opposed to the background. |
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Foundry |
Originally, a factory in which metal type is made; now any maker of type. |
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Fourier transform |
The mathematical transformation that allows a function in time or space to be examined in terms of its frequency components. |
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Fovea |
In the eye, the small, central region of the retina that exhibits the greatest sensitivity to detail and colour. |