
It’s kind of debatable. Many people with anxiety use them interchangeably. In psychology, there is a minor difference in symptoms and a big one in causes. Many psychologists use a strict definition that a panic attack is not caused by something that makes you anxious, and if there is a clear anxiety-related cause, that is an anxiety attack and not a panic attack. Symptom-wise it is very difficult to explain the difference, but I would generally agree with #1