User is another word for a person. But when we use that word to describe someone else, we're likely implying that they're using the thing we're making. It could be a website, a product or service, a grocery store, a museum exhibit, or anything else people interact with.

Too much information Not enough information Not the right information Some combination of these

Scale is the relative size of your diagrammatic work.The

choose a set of adjectives you want your users to use to describe what you're making. Then, choose a set of adjectives that you're okay with not being used to describe the same thing.

The important part is being honest about what you intend to accomplish within the complicated reality of your life. Your intent may differ from other people; you may perceive things differently.

Perfection isn't possible, but progress is.

What are you making?

Most importantly perhaps, we realize that for the first time ever, we have easy access to other people's experiences to help us decide if something is worth experiencing at all.

When you discuss a specific subject, you subconsciously reference part of a large internal map of what you know. Other people can't see this map. It only exists in your head, and it's called your mental model.