- friend system usage
- The red heart 🔴 appears as a Best Friend indicator after two weeks of being each other's top friend, signifying a close bond.
- streak use
- Sent to maintain streaks with best friends; its presence in the friend emoji system makes it a milestone symbol.
- story meaning
- Added to Snaps as a sticker to express love for a moment, person, or experience being shared.
- snap context
- Appearing next to a contact's name in the friends list is a recognized social status symbol among teen users.