What does it mean when you’re restricted? What happens and what can’t you do?

I got restricted a few days ago I guess for posting irrelevant stuff in the question section. Other people can't click on your profile it would come up as not accessible, you can't send messages, can't comment or post questions either it's like you're a ghost. Worst of all you dont get notifications. I sent them an email about it that's how I......   1 reply

I would also like to know cuz my last account was restricted and I had open my other one   reply

What does it mean when it says "Only visible for youself before the thing is approved"? I got this from the new account I just made   reply