What is the difference between marketing and trade marketing?

Marketing is about understanding the end consumer behavior i,e what is a persons need, how can a product meet the need, how can it be relevant and what would be the appropriate positioning for the product in terms of price, image.

Trade Marketing is how to motivate the retailers to buy your products, and to allow you to display your marketing materials and shelf displays. This also includes building attractive terms of trade for the retailer so that he or she considers you their partners