This post describes the other end of that sales process--the email you send to close the deal. A proposal email is different from the formal sales proposal written in response to an official request for proposal. I discuss formal sales proposals in . How to Write an Executive Summary ..
Definition of Unitarian Universalist. : a person who belongs to a religion that allows its members to freely choose their own religious beliefs and that supports liberal social action.
Unitarian Universalism refers to the movement/religion that a Unitarian Universalist identfies with. Some Unitarian Universalists refer to themselves simply as Unitarians for short. UUism and UUs are very common abbreviations for the religion with such a long name.