Definition: Historic Environment Record: HER
“Information services that seek to provide access to comprehensive and dynamic resources relating to the historic environment of a defined geographic area for public benefit and use."
Annex 2: Glossary, National Planning Policy Framework, Department of Communities and Local Government, 2012
"A public, map-based data set, primarily intended to inform the management of the historic environment.
p71, Conservation Principles, English Heritage, 2008