Planning and Monitoring the Budget: A marketing budget planned to the smallest of details is very essential in a marketing plan. You have to be realistic and exact, and base the budget on your goals. You will also have to monitor the budget, track the expenses and analyze the spending on a budgeted and actual' basis.
Marketing Plan: In this you perform, precise activities which helps in achieving the goals and objectives you are targeting at. Here, you plan how you will promote the product/service? What are the specific areas of promotion? What would be the budget of this plan execution? Etc. Plus, you also estimate the ROI of this marketing strategy.