System of records
System of records means a group of records under ODNI's control from which information about an individual is retrieved by the name of the individual or by an identifying number, symbol, or other particular assigned to the individual. Single records or groups of records which are not retrieved by a personal identifier are not part of a system of records,
Source
32 CFR § 1701.2
Scoping language
For purposes of this subpart, the following terms have the meanings indicated: