The Spanish Metadata Core (NEM) includes 4 additional
elements, considered important due to the information that they provide on the data.
Key words (topic, place, discipline, stratum and time frame).
Words used to describe the topic, place, discipline, stratum
and time frame corresponding to the set of data.
Form of presentation: Mode in which the resource is presented
(this element, in addition to determining the type of file: table, document, model, etc.
indicates whether this is a digital or a printed file).
Use: Brief description of the resource and/or
the resource's series used. It has been included because it is
referenced in the Water Framework Directive (DMA).
Proposal: Summary of the intentions for which the resource has been created.
It was decided to include this as it is referenced in the Water Framework Directive (DMA).