Snapchat uses friend emojis to show your relationships. Key ones include: Yellow Heart (????) for #1 Best Friends, Red Heart (❤️) for two-week Best Friends, and Fire (????) for a Snapstreak. Smirking Face (????) https://elainevjrj544717.activoblog.com/45665673/what-does-that-yellow-heart-mean-on-snapchat