1. Volume
   1. High
      1. Feature count[H]
      2. Features[M] x attributes[M/H]
   2. Medium
   3. Low
2. Format
   1. Supplied
      1. Industry standard
      2. Bespoke
   2. Stored
      1. Blobbed
         1. Existing blob format
         2. New blob format
      2. F-FA-FG
   3. Published
      1. Industry standard
      2. Bespoke
3. Type
   1. Point
   2. Vector
      1. Existing
         1. Mastermap
      2. New
   3. Raster
      1. Existing
         1. OS raster mapping
         2. Collins Bart
         3. Landmark EHM
      2. New
   4. Height
      1. Existing
      2. New
   5. Addressing
      1. Existing datasets
         1. Royal Mail PAF
         2. Royal Mail Multi-Res
         3. Royal Mail Not Yet Built
         4. QAS PAF
         5. Addresspoint
      2. New datasets
   6. Non-structured
4. Storage
   1. Oracle
      1. F-FA-FG
      2. Separate schema
      3. Separate database
   2. SQL Server
   3. File system
      1. Existing file system
      2. New requirement
   4. The Cloud
   5. 3rd Party
5. Maintenance
   1. Type
      1. Full resupply
      2. Change only update
   2. Frequency
   3. Churn
6. Data suitability
   1. Products
      1. Reports
         1. Modular
         2. Non-modular
      2. Web services
         1. Features
         2. Mapping
      3. Portals
         1. View
         2. Export
      4. Workflow