olemus
(a) temaatiline jutusidega võrgufoorum
(b) jutuside serversait
Wiktionary:
(Internet) part of a website where visitors can converse in typed messages

ülevaateid
https://en.wikipedia.org/wiki/Chat_room
https://globaldatabase.ecpat.org/Book/textbook-solutions/Files:C2I1/filedownload.ashx/online-virtual-chat-rooms.pdf
https://bestforandroid.com/chat-room-apps/
https://www.wjccschools.org/wp-content/uploads/2018/12/Chat-Room-Lingo.pdf

turvalisus
https://troomi.com/the-dangers-of-online-chat-rooms-and-message-boards/
http://www.safekids.com/chat-room-safety/