The thing to remember about gesture, whether you're using it as a verb or a noun, is that not only is it a movement of the hands or body, but it's also a movement that has some meaning, intention, or emotion behind it.
Contract review. The purpose of contract review to ensure that customer requirements are understood & company is capable of meeting customer requirements.
The GAO sustained the protest, stating the additional work was a material change to the contract competed and awarded. The GAO ordinarily does not review modifications to contracts, because they are usually contract administration matters outside the purview of GAO Bid Protest regulations.