Documents as entity

How do I model paperdocuments? Is it planned to model them as entity or shall I just copy their original habitus and add them to the project?

I have several documents, they have headers and are table like with column and row. If I could model them in the dataview how could I do?

(In the dataview, paperdocuments are not listed) I planned to model

entity1: paperdocuments

entity2: electronic documents

entity1.1: document1

entity2.1:exel sheet1

how could i do the columns and rows??

.....

Thanx for help