Ok, English is not my 1st language, but the difference between those two terms is mostly the same everywere.
Strategy:
Strategy describes a broad perspective on how resources are to be used to achieve some goal.
The American Heritage® Dictionary of the English Language (4th ed., 2000): “1a. The science and art of using all the forces of a nation to execute approved plans as effectively as possible during peace or war. b. The science and art of military command as applied to the overall planning and conduct of large-scale combat operations.”
The Department of Defense definition is: “The art and science of developing and using political, economic, psychological, and military forces as necessary during peace and war, to afford the maximum support to policies, in order to increase the probabilities and favorable consequences of victory and to lessen the chances of defeat.” (http://www.dtic.mil/doctrine/jel/doddict/)
In Foundations of Leninism, Stalin writes: “Strategy is the determination of the direction of the main blow of the proletariat at a given stage of the revolution, the elaboration of a corresponding plan for the disposition of the revolutionary forces (main and secondary reserves), the fight to carry out this plan throughout the given stage of the revolution.”
The Oxford English Dictionary (OED) provides this historical definition: “The art of a commander-in-chief; the art of projecting and directing the larger military movements and operations of a campaign. Usually distinguished from tactics, which is the art of handling forces in battle or in the immediate presence of the enemy.”
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Tactics:
As the OED definition indicates, “strategy” is usually opposed to “tactics”, where tactics is the deployment of forces in some specific instance of applying strategy.
For example, The American Heritage® Dictionary states: “1a. The military science that deals with securing objectives set by strategy, especially the technique of deploying and directing troops, ships, and aircraft in effective maneuvers against an enemy”
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The Department of Defense defines tactics: “1. The employment of units in combat. 2. The ordered arrangement and maneuver of units in relation to each other and/or to the enemy in order to use their full potentialities.”
Stalin states: “Tactics are the determination of the line of conduct of the proletariat in the comparatively short period of the flow or ebb of the movement, of the rise or decline of the revolution, the fight to carry out this line by means of replacing old forms of struggle and organization by new ones, old slogans by new ones, by combining these forms, etc.” And later in the same paragraph: “Tactics are a part of strategy, subordinate to it and serving it.”
The OED, in its definition of strategy, includes this quote from A. T. Mahan’s Sea Power: [Strategy applies] “[b]efore hostile armies or fleets are brought into contact (a word which perhaps better than any other indicates the dividing line between tactics and strategy).”
But anyway, my question was: For clan wars you learn and train specific tactics? (“tactic #1 in battery, Bob starts building to lure an opponent, Jack throws a grenade behind him, and Jim picks the pants if opponent’s corpse falls to beach”).
Or for the contrary you mostly use strategy? (“We’ll try the fast build with pant taking chances for 5 minutes, is doesn’t work; artillery, nades, mortar, and build.”)