An "attack line" refers to a specific strategy or approach used in various contexts, such as military operations, sports, or business. In military terms, it can denote the front line where forces engage the enemy. In sports, it may describe the offensive strategy a team employs to score points against their opponent. In business, an attack line can represent a marketing tactic aimed at gaining a competitive advantage. This could involve targeting a rival's weaknesses or promoting a product's unique features to attract customers. Overall, the concept emphasizes proactive measures to achieve success in a competitive environment.