Bit, the basic unit of information storage, a single binary digit that is either 0 or 1
Any of several relatively small pieces of metal or other hard material fitted to a larger tool for drilling or shaping material, or manipulating small parts or fasteners. They are often interchangeable for different desired sizes and shapes.
Drill bit, fitted to a rotary drill and used to drill holes
Bit (horse), a piece of metal (or similar synthetic substance) placed in the mouth of a horse, connected to reins and a bridle to allow a rider to direct the animal.
Bit (money), a unit of money in various currencies
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