Matching: If you have a list of data points, such as names, email addresses, and mailing addresses, R&A can attempt to match the data points in CATracks and return a CATracks ID number.
Comparing: If you have a list of known entities (i.e. the CATracks ID is present) with associated data points like email addresses, mailing addresses, etc. R&A can compare those data points to data that exists in CATracks and tell you if any of the data points are new data.