Poor means a deficit or diminished quantity or volume of something. Some suggest that a person who is poor in Spirit, is one who admits not to have sufficient embodiment of The Spirit. That person is therefore not pompous, nor do they take The Spirit for granted.
The Uniform Commercial Code (UCC) is very broad set of statutes that governs various business terms, especially with regards to contracts. For instance, it defines several terms, such as the terms merchant, goods, services, and other business words.
Even if the offeror promised not to revoke, the promise would be unenforceable unless the offeree gave consideration for it, such as the payment of money, then the offer would be part of an option contract and would be irrevocable. -Under the UCC, a merchant's firm offer is irrevocable. A merchant is a party who regularly deals in, or otherwise has expertise in, the goods involved in the transaction. A firm offer must be in writing and must be limited to a reasonable period of time, not to exceed 90 days.