Formal:
* The acronym "NASA" stands for National Aeronautics and Space Administration.
* It's important to use acronyms sparingly, as they can be confusing for some readers.
Informal:
* I always get confused by the acronym for "LOL" - is it "laughing out loud" or "lots of love"?
* My friend's new company has the acronym "B.A.D." - I wonder what it stands for!
Creative:
* The author used an acronym to subtly weave the main character's name into the story's title.
* Using a memorable acronym can be a great way to market your new product.