Metadata are data about data. In general there are two types of metadata that scientists should be concerned about. That is Discovery metadata that are used as index cards in a library and used to search for and find relevant data. Once data have been found, data consumers needs standardised information to tell them about the content of the data and how to interpret these. This is what is understood by use metadata. For further information please check https://www.nordatanet.no/en/node/71.
