As you add a question to a forum (i.e. start a new thread)
whatever you enter will invoke the site's search utility to see if what you are asking had been asked previously:
In situations where no of the returned results is what you are looking for, your "search string" is used as the subject of a new forum thread:
This ability is another thing that makes getting information you are looking for more efficient and streamlined (and does not cause you to have to reinput what you are looking for).