GIS Dictionary

[programming] In Microsoft’s COM component programming model, a group of threads, working within a process, that work within the same context.

[programming] Acronym for application programming interface. A set of interfaces, methods, protocols, and tools that application developers use to build or customize a software program. APIs make it easier to … Read more

In an orbit path, the point at which the object in orbit is farthest from the center of the body being orbited.

[defense] A military symbology specification published by NATO (North Atlantic Treaty Organization). APP-6A is based on MIL-STD-2525A, the predecessor to MIL-STD-2525B.

[analysisgeoprocessing] Adding features from multiple data sources of the same data type into an existing dataset.

[non-ESRI software] A small program that usually executes from within a Web browser. Applets are compatible with most platforms, and can also be used within applications or devices that support … Read more

[software] A computer program that receives user requests through a client application and returns results to the client.

[Internet] A Web service that solves a particular problem; for example, a Web service that finds all of the hospitals within a certain distance of an address. An application Web … Read more