Developer Policy 3.4 Clarification

[neeeek]

The developer policy 3.4 says:

Do not create any product or service which includes any non-interactive internet webcasting service. For example, you can’t create an application which plays content from a single source to several simultaneous listeners.

What exactly is a "non-interactive" webcasting service?

To clarify I want to build an add-on for a virtual table top (vtt) service which would enable whoever is hosting the vtt to play their Spotify playlists through it- so that the few people invited by the host who are connected to the table hear the music while the host is there and playing the music.