The katana is a traditional Japanese sword characterized by its curved, single-edged blade, a circular or squared guard, and a long grip designed to accommodate two hands. This weapon symbolizes the samurai's status and skill in battle, embodying the spirit and culture of the samurai class in Japan's feudal society. As both a functional weapon and an object of art, the katana played a crucial role in the samurai's life, reflecting their values of honor, discipline, and martial prowess.