What is another word for ancillary data?
Pronunciation: [ˈansɪləɹi dˈe͡ɪtə] (IPA) 
Ancillary data is supplementary information that supports or adds value to primary data. There are several synonyms for this term, including secondary data, supporting data, auxiliary data, and additional data. Secondary data refers to information that has already been collected by someone else, while supporting data and auxiliary data are used to enhance the understanding and interpretation of primary data. Additional data, on the other hand, is collected to supplement existing data and provide more comprehensive information. These terms are often used interchangeably, but they all refer to the same concept of data that supports or complements primary data.
