Which term describes weapons that are used in a straightforward aiming method at a target?

The term that describes weapons used in a straightforward aiming method at a target is "direct fire weapons." This classification refers to weapons that are designed to hit targets directly through the line of sight, allowing the operator to aim and shoot at a specific target in a precise manner.

Direct fire weapons typically include firearms, machine guns, and anti-tank guided missiles that require the user to visually acquire and engage the target. The operator must align the weapon's sights with the target for effective engagement, making this approach fundamentally different from that of indirect fire weapons, which rely on trajectory and range calculations rather than a direct line of sight.

In contrast, the other terms do not apply to the straightforward aiming method described. Indirect fire weapons use angles and calculations to hit targets that are not in the direct line of sight, while support weapons generally refer to weapons that provide cover or assistance to main combat forces rather than engaging targets directly. Defense weapons focus on protection rather than direct engagement of targets. Therefore, direct fire weapons is the most accurate term for the described method of targeting.