A screenfont or screen font is:

• a computer
  Computer font
  A computer font is an electronic data file containing a set of glyphs, characters, or symbols such as dingbats. Although the term font first referred to a set of metal type sorts in one style and size, since the 1990s it is generally used to refer to a scalable set of digital shapes that may be...
  
   typeface
  Typeface
  In typography, a typeface is the artistic representation or interpretation of characters; it is the way the type looks. Each type is designed and there are thousands of different typefaces in existence, with new ones being developed constantly....
  
   created specifically for reading
  Screen reading
  Screen reading is the act of reading a text on a computer screen, smartphone, e-book reader, etc. It is often contrasted with the act of reading a text on paper, in particular a printed text....
  
   from a screen; or

• another kind of typeface, like a print font, that is used for reading from a screen

Screenfonts are found on a range of screen-based media, including computer, video-game, cellphone, and movie screens; televisions; automated teller machine

Automated teller machine

An automated teller machine or automatic teller machine, also known as a Cashpoint , cash machine or sometimes a hole in the wall in British English, is a computerised telecommunications device that provides the clients of a financial institution with access to financial transactions in a public...

s; interactive menus (as on set-top box

Set-top box

A set-top box or set-top unit is an information appliance device that generally contains a tuner and connects to a television set and an external source of signal, turning the signal into content which is then displayed on the television screen or other display device.-History:Before the...

es); portable video devices (e.g., video iPods); and alphanumeric displays like readerboards. Screenfonts, not print fonts, are almost always used to display Web pages, text messages, and captions

Closed captioning

Closed captioning is the process of displaying text on a television, video screen or other visual display to provide additional or interpretive information to individuals who wish to access it...

 and subtitles.

Screenfonts differ from print fonts not only in the medium of expression but in resolution

Display resolution

The display resolution of a digital television or display device is the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is controlled by all different factors in cathode ray tube , flat panel or projection...

 (usually lower in screenfonts) and the level of complexity in presenting the typefaces (screenfonts can use subpixel rendering

Subpixel rendering

Subpixel rendering is a way to increase the apparent resolution of a computer's liquid crystal display or Organic Light Emitting Diode display by rendering pixels to take into account the screen type's physical properties...

 to improve appearance, which print fonts cannot do).

Well-known screenfonts include Georgia

Georgia (typeface)

Georgia is a transitional serif typeface designed in 1993 by Matthew Carter and hinted by Tom Rickner for the Microsoft Corporation, as the serif companion to the first Microsoft sans serif screen font, Verdana. Microsoft released the initial version of the font on November 1, 1996 as part of the...

, Verdana

Verdana

Verdana is a humanist sans-serif typeface designed by Matthew Carter for Microsoft Corporation, with hand-hinting done by Thomas Rickner, then at Monotype. Demand for such a typeface was recognized by Virginia Howlett of Microsoft's typography group...

, Trebuchet MS

Trebuchet MS

Trebuchet MS is a humanist sans-serif typeface designed by Vincent Connare for the Microsoft Corporation in 1996. It is named after the trebuchet, a medieval catapult...

, Geneva, and Tiresias

Tiresias (typeface)

Tiresias is a family of TrueType realist sans-serif typefaces that were designed for best legibility by people with impaired vision at the Scientific Research Unit of Royal National Institute of the Blind in London...

.