What do the terms "Interaction", "Combat", and "Exploration"?

[Arlough]

So, this is actually two questions.

1. What do the following terms mean to Wizards (or, more specifically, Mike Mearls)?
   1. Interaction
   2. Combat
   3. Exploration
2. What do these terms mean to you?
   1. Interaction
   2. Combat
   3. Exploration

Also, claims backed by references are always preferred, though completely unnecessary for the second half of this inquiry.

 

[GX.Sigma]

Interaction: Anything that involves doing funny voices and saying things that make the DM facepalm.
Exploration: Anything that makes you realize you have no sense of direction.
Combat: Anything that makes you try to think of creative ways of saying "it dies."

 

[DEFCON 1]

Yell at stuff.
Swing at stuff.
Look at stuff.