GIS Dictionary

[ESRI software] Data spread over multiple platforms or a network by a process referred to as replication.

[database structures] A database with records that are dispersed between two or more physical locations. Data distribution allows two or

1 [statistics] The frequency or amount at which a thing or things occur within a given area. 2 [statistics] The

[graphics computing] The approximation of shades of gray or colors in a computer image made by arranging pixels of black

[astronomy] Daily, as in the revolution of the earth.

[astronomy] The apparent path from rise to set made by a heavenly body across the sky.

[data models] Acronym for digital line graph. Data files containing vector representations of cartographic information derived from USGS maps and

[Internet] Acronym for dynamic-link library. A type of file that stores shared code to be used by multiple programs (a

[government] Acronym for Designated Market Area. A television market as defined by Nielsen Media Research. Most DMAs correspond to whole

[navigation] Acronym for digital nautical chart. A nautical database developed from existing hard-copy charts, digital data, bathymetric survey information, imagery,

[Internet] Acronym for domain name system. The Internet distributed system that stores IP addresses and domain names to assist with