"Arms and Armor" refers to the weapons and protective gear used by warriors throughout history. This includes items like swords, shields, helmets, and body armor, which were designed to enhance combat effectiveness and ensure safety in battle. Different cultures developed unique styles and materials, such as samurai swords in Japan or knights' plate armor in medieval Europe. The evolution of arms and armor reflects advancements in technology and changes in warfare tactics. For instance, the introduction of gunpowder led to the development of firearms, which changed the design of armor, making it lighter and more flexible. Today, arms and armor are studied for their historical significance and craftsmanship.