Synergy In World of Warships
The interaction or cooperation of two or more organizations, substances or other agents to produce a combined effect greater than the sum of their separate effects.
Combined Arms Maneuver
The application of the elements of combat power in unified action to defeat enemy ground forces; to seize, occupy and defend land areas; and to achieve physical, temporal and psychological advantages over the enemy to seize and exploit the initiative.
What does this mean?
Attacking the enemy with two or more elements simultaneously in a manner that the enemy must take actions to defend himself from one attack and makes their position vulnerable to another element.
Combined arms operations have roots in antiquity, where armies would deploy light infantry units known as skirmishers to screen and protect the heavier slower units or units that specialized in ranged combat. Each type of combat formation infantry, archers, cavalry or conscript has advantages the others do not have.