contract construction

Courts, in the construction of contracts, look to the language employed, the subject-matter, and the surrounding circumstances. They are never shut out from the same light which the parties enjoyed when the contract was executed, and, in that view, they are entitled to place themselves in the same situation as the parties who made the contract, so as to view the circumstances as they viewed them, and so to judge of the meaning of the words and of the correct application of the language to the things described