Defining strategic objectives: the organization must have a clear vision and establish if the media channels will complement the traditional ones, or will replace them. We must define specific objectives (don't forget to check if they are SMART!) and we must also specify the contribution of the online activities to the organization's turnover.
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.