On the left side of the main Forum page you will see a Sidebar with topics "Support, Widgets, Questions", etc. click on the one you like. At the top and bottom of the page you will see some boxes to navigate back - Support for instance has 1542 Pages of threads (something over 43,000 posts) - that is only one area - that should keep you busy for a little while -
The front page has threads from most of the sub-areas - this makes it easier for people to see the latest and for us that help answer questions we don't need to go into 5 different areas to see the latest questions.