Marketing
Marketing is the process of promoting your brand or product. Selling is giving a product or service in exchange for a reward, usually money. So in a nutshell, selling is a result of marketing. If your book is on Amazon, you want to market or promote your book while Amazon wants to sell it. Which is a result of your marketing efforts. IE: you put up social media blurbs to let people become aware of your book and refer them to Amazon to…