A bit of something is a small part or section of it.

A bit of something is a small piece of it.

You can use bit to refer to a particular item or to one of a group or set of things. For example, a bit of information is an item of information.

You use bit in expressions such as the charity bit and the whole marriage bit to refer to everything that is involved in something, when you do not think it is important.

In computing, a bit is the smallest unit of information that is held in a computer's memory. It is either 1 or 0. Several bits form a byte.

A bit is 12½ cents; mainly used in expressions such as two bits, which means 25 cents, or four bits, which means 50 cents.

A bit is a piece of metal that is held in a horse's mouth and is used to control the horse when you are riding.

Bit is the past tense of bite.