In easy words maketing is a proccess of advertise and sale products to other markets and people. for example company make a product and wanted to sale for this porpuse they hire different advertisement agency to sale their products in market. agenecy hire people for sale and advertise they have different perposel for people. they make poster ads, tv ads, baners and gave discounts on products they analyze market make people's mind to buy product and reach their goals. There are many ways to start marketing like digital marketing, affiliate marketing , ppc advertisement 
