Question about h1,h2,h3 tags

Well I've been reading a lot about how important h1/h2 tags are important for seo. Basically my understanding is that when you put these tags on a certain section it catches the attention of bots more? if this is true how can I set it up for a specific section on my forum. Thank you

I suggest you read the following article : Andy Budd::Blogography: Heading Elements, Semantics and the Spec