When I ask entrepreneurs and small business owners, it is not unusual for not having any marketing plan. I once read that Sir Richard Branson never had any marketing plan when he started the 1st Virgin business many years ago. In fact in one study of entrepreneurship (I couldn't recall the name of the study) was that as much as 50% of entrepreneurs and business owners don't have a business plan and marketing plan when they first started the business.
Establishing strategies: several strategies are to be formulated, in order to cover the distance between what we want to achieve and what is possible to achieve, with the resources at our disposal. As we would usually have several options, we should analyze them and chose the one with more chances to achieve the marketing objectives.