Game terms and concepts

Certain game concepts lay the foundation when playing a game of Magic: The Gathering. The following is a non-comprehensive list of concepts and terms. 
==Rules==
==List==
===0-9===
====1v1====
One-versus-one, which means two players playing against each other; a two-player game.
===B===
====Bo1====
Best-of-one. A match consisting of only one game. In MTG Arena, this is called Arena Standard.
====Bo3====
Best-of-three. A match consisting of three games. In MTG Arena, this is called traditional (e.g. "Traditional Play", "Traditional Ranked", "Traditional Draft").
====Board====
The collection of permanents currently on the battlefield. Can refer to a specific player's permanents, or the entire battlefield as a whole, e.g. "There's a lot of creatures on the board." 
====Board presence====
The collection of permanents a particular player controls in play.
====Board state====
The current situation or state of a game.