Is itinerary the same as boarding pass?

Is an itinerary the same as a boarding pass? Psh, no way! It's like comparing apples and, well, airplanes! My itinerary, see, that's my dream. It's the "this is how I hope my trip will go" document. Flight times, hotel reservations, you name it. It’s my beautiful, optimistic plan. But can I show up at the gate waving that thing around? Ha! Don't think so. It's about as useful as a chocolate teapot when it comes to actually getting on the plane.

For that, my friend, I need the golden ticket, the magic key: my boarding pass. It's proof I've checked in, proof I exist, proof I’m actually supposed to be on that flight. Right? You know that little flutter of panic you get until it's clutched in your hand? One time in Rome, I swear, I nearly had a meltdown because I couldn't find the email with my boarding pass. It was buried under a mountain of pizza restaurant recommendations (priorities, am I right?). Anyway, long story short, boarding pass? Essential. Itinerary? A lovely, hopeful roadmap. Two totally different things!