Digital files merge related data/documents using control logic. The hierarchical file classification proves particularly useful to define an effective and complete information structure.
These structures are defined with you as customizing starts, and subsequently controlled by the metadata of individual documents. In this context, metadata are information known to a file/document, but not necessarily coming from said file/document. In most cases, ERP metadata are extracted or created at the beginning as master data. The concept of movement and position data are often common in this context.
Here are the key points: