While code blue does refer to a cardiopulmonary arrest at many hospitals, it doesn't necessarily mean the same thing everywhere.

What does 8647 mean? Comey claims that he came across the shells in that formation during a walk on the beach, and “assumed [the sea shells] were a political message”.

What does the injury mean for McCarthy's development as a passer? Missing extended time will be a significant blow to his on-field development.

So what does "SOS" actually mean? Here's everything you need to know about the term and its military origins, plus the new feature on your iPhone that utilizes it for your safety. What does 'SOS ...

What does 'ICYMI' mean? Here's what it means and examples of it used in conversation. What does 'ngl' mean? Make sure you're using this internet, texting acronym correctly. What does 'hmu' mean?

What does it mean if you are censured? A censure is a formal vote of deep disapproval of a member’s conduct taken by either chamber of Congress. How do censures work in Congress?

What Does ‘Abortion’ Mean? Even the Word Itself Is Up for Debate. In medical terms, the definition is clear. But when disputes arise, opponents argue that not every termination is an abortion.