Entity

General idea, an abstraction that is considered a reality. An entity * is the modelling of a real object, i.e. a "station", a "sample point", etc. Data dictionaries established by the National Service for Water Data and Reference-dataset Management (Sandre) include entities (or objects) and attributes * (or properties) associated to definitions * . An entity * may, in particular, be physically translated into a table in a database * .