GIS Dictionary

[computing] A keyboard shortcut that allows a user to access the contents of the Main menu by holding down the […]

1 [business] An aggregate measure of the degree of ease with which a place, person, or thing can be reached,

[mathematics] The degree to which a measured value conforms to true or accepted values. Accuracy is a measure of correctness.

1 [ESRI software] Circles, lines, polygons, points, or markers that become transparent when not active. Acetate features are overlaid on

[ESRI software] In ArcGIS, an XML file that contains an acknowledgement message.

[ESRI software] In ArcGIS, a message from a replica to its relative acknowledging the data changes received by the sending

[programming] Acronym for access control list. A list of accounts or users used to designate restricted and unrestricted services and

[remote sensing] A remote-sensing tool with an oscillating mirror that moves back and forth across a satellite’s direction of travel,

[ESRI software] The data frame currently being worked onfor example, the data frame to which layers are being added. The

[ESRI software] In Survey Analyst for field measurements, the focus of the analyses applied. In an active network, users may

[remote sensing] A remote-sensing system, such as radar, that produces electromagnetic radiation and measures its reflection back from a surface.