Explain like I'm LITERALLY five...what does it mean to "format" a string? : <p>When you make a string...what does it mean to "format" that string?</p>

<p>CHALLENGE: Explain this to me like I'm an absolute idiot. Like, take it to a condescending level. Be mean about it. I'm talking how you would explain a lemonade stand to a very, very stupid child.</p>
