Weapon types can be categorized into several groups based on their design and function. Common categories include melee weapons, such as swords and knives, which are used in close combat, and ranged weapons, like bows and firearms, which allow for attacks from a distance. Each type serves different tactical purposes in various combat scenarios. Additionally, weapons can be classified as explosive weapons, such as grenades and bombs, which cause damage over a wide area, and chemical weapons, which use toxic substances to harm or incapacitate. Understanding these categories helps in comprehending their roles in military and self-defense contexts.