I-GIS Glossary,

This glossary is a sub-set of one developed by the Urban and Regional Information
Systems Association (URISA)

Indexing
Indexing refers to logically ordering information components by the values present in a key field.

Inset Map
An inset map is a more detailed (larger scale) representation of a specific area on a map usually placed in an uncluttered portion of the same sheet as the smaller scale main map.

Interface

1. Surface forming a common boundary between adjacent regions, bodies, substances, or phases.
2. Junction between two or more components of an information system. Typically, the link between the spatial database and non-graphic (DBMS) databases.
3. Point of interaction or communication between a computer and any other entity, such as a printer or human operator.