UE4 Editor Terminology: We need your feedback!

Describe (ideally in steps) typical workflow (hi and low level view) of doing typical in game development activities, example:
[Importing static mesh]

  1. Export from your 3d package mesh into fbx file
    ^^^ describe what are the conditions that mesh must meet, i.e. how to prepare mesh to have one material only, number of materials, one material which creates illusion of having many materials on that mesh. Give examples. Suggest optimal (at the time of writing) number of vertices. Show how to create LOD’s. Explain what LOD’s are. Give some tips and tricks on how to reuse one mesh in a level for different purposes etc, etc, etc.
  2. Import that mesh into UE by doing:
    step 1
    step 2
    step 3