Zoning
Zoning is a tactic in 2D fighters usually used at mid-range or far mid-range, the purpose of which is to out-prioritize your enemy's moves. The idea is to space yourself so that you are in a position to respond to or punish any entry angle or attack of your opponent's. Ideally, you can use certain pokes and attacks to beat your opponent's attacks, punish his advances or jumps, and hopefully shut down his offensive options, while landing hits. In attempting to zone, it is important to know the properties of your own attacks as well as the attacks of your opponent, in order to find the best move to use in countering your opponent's move. The ability to predict your opponent's next move, and having good reflexes to react to that move, are also important.
Just for people who don't what zoning is