General Definition:

• Document properties are used to:
  • Categorize & Store files.
  • Secure & Restrict access to documents.
  • Retrieve documents via searching.
• You need document properties to find the electronic document later. 

Technical Definition: 

• Document Keys are the values added to the document for searching and indexing.
  • Drawer
  • Field 1
  • Field 2
  • Field 3
  • Field 4
  • Field 5
  • Document type
  • Custom properties qualify as document properties also.  
• Custom Properties are similar to document keys. The biggest difference is that the Imaging Team can create custom properties for each document type.