GIS Dictionary

Definitions for GIS terms related to operations such as analysis, GIS modeling and web-based GIS, cartography, and Esri software.

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accessibility

See Also: impedance

  1. [business] An aggregate measure of the degree of ease with which a place, person, or thing can be reached, depending on factors such as slope, traffic, distance, and so on.
  2. [usability] The degree to which Web sites, software, or computers provide equivalent information and functionality to a variety of people, including those with disabilities or visual impairment.