This is the 6579th most frequent Russian word.
forum
A gathering or platform for discussion and exchange of ideas.
Here, 'форум' refers to a meeting or assembly for discussion.
На форуме обсуждали важные экологические проблемы.
At the forum, they discussed significant environmental issues.
In this example, 'форум' denotes an online platform for conversations.
Я зарегистрировался на новом онлайн-форуме по интересам.
I registered on a new online forum based on interests.
'Форум' is used to describe the central public space in ancient Roman cities.