In addition to these four elements, a binding agreement must have a legitimate objective and clear conditions. To do this, there must be clear evidence of the obligations that the other parties had under the agreement, for example. B the general conditions of sale, and proof that these obligations have not been or have not been properly fulfilled. `breach` means a legal concept describing the breach of a contract or agreement that occurs when a party fails to keep its promises in accordance with the provisions of the agreement. .