Firms that are successful in marketing invariably start with a marketing plan. Large companies have plans with hundreds of pages; small companies can get by with a half-dozen sheets. Put your marketing plan in a three-ring binder. Refer to it at least quarterly, but better yet monthly. Leave a tab for putting in monthly reports on sales/manufacturing; this will allow you to track performance as you follow the plan.
In addition, unified understanding of marketing plan according to experts that according to MC Donald. According to Strategic Marketing Planning is a management process that leads to marketing planning. Planning is a logical sequence and a series of activities towards the determination of marketing objectives and formulation of plans to achieve goals.