A tanto is a traditional Japanese dagger or short sword that typically has a blade length between 15 and 30 centimeters (6 to 12 inches). The tanto served multiple purposes and was utilized in various contexts throughout history. Here are some of the primary uses of a tanto:

1. Close-Quarters Combat: The tanto was a versatile weapon for close-quarters combat. Its compact size and sharp blade allowed for quick and precise strikes in tight spaces or during hand-to-hand combat situations.
2. Self-Defense: The tanto was often carried by individuals as a self-defense weapon. It provided a means of personal protection in case of surprise attacks or emergencies.
3. Utility Tool: The tanto had utility functions beyond combat. It could be used for everyday tasks such as cutting, slicing, and carving. The sturdy and sharp blade made it a practical tool for various purposes.
4. Ritual and Ceremonial Use: Tanto were also used in ceremonial and ritual contexts. They were sometimes included as part of a samurai's formal attire and were used in rituals associated with honor, loyalty, and discipline.
5. Symbolic and Decorative: Tanto were often crafted with exquisite attention to detail and were valued as works of art. They could be displayed as status symbols or heirlooms, showcasing the owner's wealth, taste, or affiliation with a particular school of swordsmithing.

It's important to note that the specific use of a tanto varied depending on the historical period, the wielder's social status, and the cultural context. Tanto continue to be appreciated today for their historical significance, craftsmanship, and artistic value.