So, "venting", in the sense of "vent threads", mostly means "saying things because you are having strong emotions, to express those emotions". However, I have recently become aware of a rather significant distinction: Some people, when doing this, take it for granted that the entire content of the message is "just venting" and has no implications with regard to their beliefs on or about any factual claims implied by the statements in the thread. Some people assume that the emotions are transient expressions, but that the fact claims (if any) are presumably actually what they believe. And some do a mix, depending on circumstances. And this, I think, is leading to some hurt feelings and miscommunications. And it's not entirely obvious how to address this, because there's no consistent general pattern. A quick scan of vent threads shows a mix of ways of handling this. Some people tend to qualify statements in some way, with things like "I'm just really upset right now, and it feels like [...]". Other people tend to offer unqualified statements. And I suspect some of the unqualified statements are meant to be taken pretty much as face-value expressions of emotion or feeling, and others are transient rage. So, not sure what to suggest. As a general rule, I would say that, on a forum full of autistics, if you don't specifically and explicitly say "I don't actually think that", you are going to get people assuming that you actually think that. An assertion that something is "venting" does not necessarily communicate anything of the sort.