documentation

Pull request #2678: DEV-4278 section improvements, adding examples.

Merge in WEB/documentation from feature/DEV-4278-7.3-D to release/7.4

* commit 'c68aa4e6ccd4a91916cf3f9c5fd3fb7bdc16c842':
  DEV-4278 fixed field names and minor formatting error.
  DEV-4278 fixed formatting, added and updated screenshots.
  DEV-4278 fixed formatting,minor issues, missing articles.
  .......... [DEV-4278] formatting fix
  .......... [DEV-4278] improved
  DEV-4278 improved wording, removed redundant sections.
  DEV-4278 deleted redundant sentence.
  DEV-4278 sections improvements following reccomendations.
  DEV-4278 added a dynamic indexes section.
  DEV-4278 section improvements, adding examples.