In this case "data" does not mean "data" from a database. Data is the term used to describe the properties of an object. So for example, saying "can be hidden..." is discussing Private properties.
PF
>You are focussed on the "can be hidden...". I read "It packages data, and the methods that act on that data..." and I see that as very different (potentially) than VFP.
(On an infant's shirt): Already smarter than Bush