data element

Short definition from Wiktionary

Noun

1. 1
   An atomic unit of data that has: An identification such as a data element name.
2. 2
   An atomic unit of data that has: A clear data element definition.
3. 3
   An atomic unit of data that has: One or more representation terms.
4. 4
   An atomic unit of data that has: Optional enumerated values.
5. 5
   An atomic unit of data that has: A list of synonyms to data elements in other metadata registries.