Ключевые слова: accuracy, aim, archery, backdrop, background, basic, bulls, bullseye, center, central, circles, concentric, convergence, converging, core, crosshair, darts, emission, emit, eye, firearm, focal, focus, hunting, mark, middle, orbit, pin, pinpoint, pistol, point, pulse, radar, radial, radiating, radiation, range, reticle, reticule, rifle, rings, scope, shooting, shot, simple, sonar, target, targetmark,