Bug FAQ Search Anatomy Of A Bug Bugs and RFEs are composed of many fields. Some of them are described here. The mozilla application is composed of many different components such as the networking library, javascript, and the layout engine. Carefully read the component descriptions if you're unsure of which component to attribute your bug to.
Some components are very similar.
For example, problems with table layout should be assigned to HTML Tables, not to Layout. The component you choose determines which person bugzilla assigns the bug to. The Status Whiteboard is used for writing short notes. Sometimes these are QA related, sometimes it's used for to store various keywords. Maybe one of them will have the expertise and resources to help you with your problem.