It's vital as the database grows to keep accurate track on where the data was originally sourced. From May 2017, legislation dictates that proper and provable data records must be maintained.
Almost certainly, your data will need to be assembled in groups to allow it to be processed methodically and systematically. CCP allows you to form these groups and easily move data between them as the process moves forward.
Very often, data groups need temporary sub division and labelling to work the data to best advantage. There are many ways to do this with CCP so you always know the precise status.