> This is why contract law exists, doesn't it? Or it exists so that everyone makes sure that everyone else understands the words/concepts being used in the sam

> This is why contract law exists, doesn't it? Or it exists so that everyone makes sure that everyone else understands the words/concepts being used in the same way. What does (e.g.) "full payment on final construction" mean? Well, it depends on who you ask. Contracts there to (hopefully) make sure everyone is agreeing to the same transaction.