A more thorough explanation:

A breach occurs when someone breaks the law or fails to do what they promised in a contract.

For example, if you sign a contract to buy a car and the seller doesn't give you the car or gives you a broken car, they have breached the contract.

Another example is if someone hacks into a company's computer system and steals private information, they have breached the law.

These examples illustrate how a breach is a violation of a legal agreement or law. It's important to follow contracts and laws to avoid breaching them and facing consequences.