A written summary of the firm's marketing objectives, strategies, and specific courses of marketing action that also includes information on the assignment of personnel, budgets, and timetables is the:

Marketing Plan

Explanation:

Marketing is a comprehensive business document that sets out the business marketing objectives, outlining all the efforts and actions required to achieve those stated marketing objectives, deploying resources towards achieving the objectives and providing framework for reviewing performance.

Marketing plan is an integral part of the business plan which must be product specific and it must also include the required marketing strategy.

The marketing plan also involves analysis of the business strength, weaknesses, opportunities and threats popularly know as SWOT analysis.