Think about an outlet that does not have any signage on it: no windows, no name, and nothing in particular. People can flow in out of curiosity to buy product A when the store sells product B. It explains why SEO is important in digital marketing. If you have a shop with the right product name and image, it will attract several people off the street. These people will make purchases and talk about the buying experience to other potential customers. The first case resembles a website that is not optimized. The second one relates to a website that is well optimized in SEO.