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.
Strategy _ similar to business strategy, marketing plan will capture strategies required to support your business strategy. For example if your business goal is to achieve 20% increase in sales, your marketing strategy would be to 1) introduce new product, 2) increase price for premium offerings, 3) recruit more distributors and offer commission scheme and so on. Strategy is king. When you can see your business in totality, I can assure you that you will find it easier to manoeuvre. Marketing plan is the place to address all these issues.