The difference between a safe space and a closed space
Launch library · evergreen read

A safe space is generally intended to feel welcoming and free from harassment for whoever is present, while remaining open to new participants, whereas a closed space deliberately restricts who can attend, often to protect a specific, more vulnerable group of participants. Both serve a genuine, distinct purpose worth understanding clearly.
Confusing the two can lead to real disappointment, such as someone expecting an open, general meeting who instead finds a closed session intended for a narrower group, which is why organisers should describe clearly which kind of space a given event actually is. That clarity avoids an awkward moment at the door.
Both kinds of space serve legitimate purposes within campaigning, and clarity about which one is on offer, communicated before someone arrives rather than discovered once they are already there, respects everyone's time and expectations. Everyone benefits when that distinction is made plain well before anyone actually arrives.