HELP ME UNDERSTAND...πŸ™„

Please help a sista stay on top of her emoji game by helping me to understand...
  1. 1.
    What this is🍠? Am I supposed to eat it...
  2. 2.
    And the different between πŸ“±and πŸ“²
    I mean, I see the blue arrow, but WHAT DOES OT MEEEAANNN???
  3. 3.
    πŸ•‹ wtf
  4. 4.
    Some sort of scientific deviceπŸ—œ...
  5. 5.
    Is this a black hole πŸ•³?
    If this is a black hole then I've found my new favorite emoji. Someone please confirm before I start using excessively
  6. 6.
    πŸ“ what?
  7. 7.
    🌫
    I think I feel like 🌫 right now, but not entirely sure what that is