How do you know when you are improving your level?

If you have been studying and practicing English for a while and you're still worried about your level, then you need to pay attention to this. Let me put it another way. If I met you down the street and asked you what your exact English language level is, would you be able to answer without hesitation? would you be able to explain it to me? Find out two of the most important factors to know and start increasing your level right now.