The exchange of messages between different systems is a necessary part of solving the problems that BizTalk Server addresses. The real goal, however, is to define and execute business processes based on the applications. The BizTalk Server engine uses orchestrations to define the logic of these business processes. To create and evaluate groups of business rules, it uses the Business Rule Engine. This section describes both orchestrations and the Business Rule Engine. Using Orchestrations.
Proposing an amendment means Congress requesting the states to vote on adding an amendment to the Constitution. The states then vote in favor of (or not) the issue of the amendment being added to the Constitution (ratification - agreeing with Congress that it should be added). So.......... proposing is a function of Congress, ratification is a function of the states. Any senator or congressman can propose an amendment to the constitution but it will require a yes vote by 2/3 vote for both houses and 3/4 of the state legislatures to ratify or approve the amendment.
Ratification is the act of giving official sanction or approval to a formal document such as a treaty or constitution. It includes the process of adopting an international treaty by the legislature, a constitution, or another nationally binding document (such as an amendment to a constitution) by the agreement of multiple sub-national entities.