Affects Version/s: None
Fix Version/s: None
Describe the components of the Drill platform, their roles and how the components are orchestrated. Make the story concrete by walking thru an execution of a simple query (or a more complex one if the current state of development permits).
The target audiences are:
1) People who want to evaluate Drill as platform to host their DW on, and
2) New contributors to the project.
Format: Sentences with verbs and paragraphs with more than one sentence, i.e. a document or wiki page rather than a presentation.