Two or three steps one way to take the defender with you, then an explosive change into the other. The counter-movement is what turns standing around into getting free.
The space directly behind an opponent, where the player on the ball simply cannot reach you. It travels with the defender — standing 'free' counts for nothing there.
The two vertical corridors between wing and centre. Coaches split the pitch into five such lanes — the half-space is the one nobody feels responsible for.
Playing the ball on with a single touch instead of controlling it. German pitches shout 'Klatsch!' for it; in English it is simply a first-time lay-off.
Shirt-number shorthand for central midfield: the six screens in front of the defence, the eight plays ahead of him and joins the attack. It names the role, not the number on the back.
You are offside if, the moment the pass is played, you are in the opponents' half and nearer their goal line than both the ball and the second-last opponent. It is only called once you get involved.
The code on the sole: FG (firm ground) for real grass, AG (artificial ground) for turf, flat rubber for indoors. The surface decides which boot you wear, not the colourway.
A combination across three players: the first pass goes into a marked second man, he lays it off first time — and the ball arrives at a third man running from deep.
General
Terms from training theory that apply in every sport.
BMR is your basal metabolic rate at complete rest; TDEE is total daily expenditure including everyday movement and training. Nutrition targets always work off TDEE.