Personal boundary is an invisible boundary that creates more space between people so others can’t come too close and to make it easier to avoid unwanted interactions. There are three personal boundary options which you can change at any time based on your comfort from the Safety tab in Settings:
For children, personal boundary is required at all times within Worlds. For teens, the personal boundary setting can be changed by the teen or locked by their parent or guardian.
Learn more about parental supervision controls in Worlds.