Guide _ in a marketing you will think, record and document all your ideas, products and services offering, price, distribution channel, programs, sales direction, customer segment and so on. I have experienced whereby I suddenly realized that my business is not going on the right direction because I didn't follow my marketing plan. Have you experienced that? Or perhaps you suddenly realized that the thing you do know supposed to be done many months ago because you forgot about it? And you forgot because you don't jot it down and plan for it? This is what I mean that marketing plan as a guide. I cover this in my Marketing Plan Breakthrough S6PEC.
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.