What's the difference between anxiety and depression?

As far as I can see - and with the help of some search engines - I'd say depression causes feelings of sadness and hopelessness. Anxiety on the other hand would cause feelings of nervousness, worry or dread.

What does it mean to you? Have you ever been depressed? Do you know someone who is? What does it mean from a practical point of view and, more importantly, how do you get out of it?

What's the difference between anxiety and depression?
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