Good marketing is said to be an analysis of what clients want to buy and then they help them do so. Marketing is a real science as well as an art and is very important to every company's success. We will take a look at the marketing roles. One of the first moves that the business has to take is to recognize the market's needs and wishes of customers. They must collect data and evaluate this information to do so. You will base your product design on this knowledge until you fully understand your client. Below are some of the functions of marketing.