TECHNICAL SKILLS: The ability to efficiently perform a task or specific soccer movement.
DEFENDING: Basic, individual or collective defensive actions of one or more players in order to create a team advantage over the attackers
TACTICS: Individual or collective actions performed by a player or group of players to take advantage of an opponent, group of opponents or a team. Tactics are the tools to develop the strategy.
STRATEGY: A general concept agreed upon by the team at the beginning of the game with the intention to beat the opponents. The strategy relates to the formation and/or system used by the team.
FORMATION: The shape of the team and distribution of the players on the field at the beginning of the game. This is usually expressed in three numbers identifying the number of players in the defensive, midfield and attacking lines.
SYSTEM: A formation with specifications in the shape and/or roles for one or more players. The system combines the formation and strategy.