1. Web (JS/XHTML) client
2. wave server
   1. *wave
      1. document
         1. *element
         2. id
3. command
   1. hash
   2. client id
   3. module id
   4. document id
   5. command body
4. updates encoder
5. commands parser
6. *other waves client
7. update
   1. hash
   2. client id
   3. module id
   4. document id
   5. changed tag (element) id
   6. update body
8. not-confirmed commands (by hashes) storage
9. *WavesClient
   1. id
   2. wavelet
      1. *module
         1. id
         2. document
            1. id
            2. model
         3. view
            1. *tag
      2. *wave
      3. view