These are the steps a potential buyer takes. It starts when they realize they have a problem. It ends when they make their final purchase decision.
Most founders expect a straight line to a sale, but it’s actually a messy, non-linear process. If you only provide information for people ready to buy now, you lose the majority of your audience who are still just "learning." You need to map your content to their stage of curiosity, or you’ll be talking to a wall.