I wouldn’t trust or rely on any verbal agreement. no one should start any project based on verbal agreement, because if someone makes a promise verbally and breaks it, it is not considered a broken contract and that person cannot be punished for breaking it. An oral contract, on the other hand, is a promise that has been plainly spoken and not written down. Generally, you’ll want to defer to your local state’s laws regarding oral contracts to understand how ironclad they can be by force of law. But if you have proof of an oral contract, you might have legal grounding to pursue litigation once a promise has been broken. In contrast to oral contracts, the written contract is a contract that not only has a promise made on it, but also serves as its own proof that the promise was made.The beauty of the written contract is that it serves the dual role of both the promise and the proof of the promise, which is why so many people are eager to get every major decision put into writing.