Five pillars of Enterprise Information

From the Art of Enterprise Information Architecture.

They are these data domains:

Metadata
--data of data
Master data
--such as customer, product, invoice
Operation data
--such as order
Unstructured data
--such as scanned signed agreements, emails related
Analytical data
--derived by putting operation data into an analytical context. typically a data movement of operational data into dedicated analytical system such as DW.