[photogrammetry]
In georeferencing, connections added between known points in a dataset being georeferenced and corresponding points in the dataset being used as a reference.
[computing]
An operation that relates two tables using a common field, without altering either table.
[Internet]
In a hyperlinked document, a graphic or piece of text that, when selected by a user, causes the display to move to another document or to another location within the same document.
[ESRI software]
In Survey Analyst for field measurements, an operation in which existing features can be connected to survey points. An association between survey points and feature vertices is created; feature locations are not updated automatically.
[ESRI software]
For ArcWeb Services, content dependencies in the ArcWeb portal. In the ArcWeb metadata, links are referred to as "online linkage."