A data processing system may involve some combination of:
Conversion converting data to another format.
Validation – Ensuring that supplied data is “clean, correct and useful.”
Sorting – “arranging items in some sequence and/or in different sets.”
Summarization – reducing detail data to its main points.
Aggregation – combining multiple pieces of data.
Analysis – the “collection, organization, analysis, interpretation and presentation of data.”.
Reporting – list detail or summary data or computed information.