Over your lifetime, you'll make, use, maintain, consume, deliver, retrieve, receive, give, consider, develop, learn, and forget many things.
Things come in all sorts, shapes, and sizes.
The things you're making sense of may be analog or digital; used once or for a lifetime; made by hand or manufactured by machines.
I could have written a book about information architecture for websites or mobile applications or whatever else is trendy. Instead, I decided to focus on ways people could wrangle any mess, regardless of what it's made of.