The clip that follows the first title sequence explains every component from the intro besides what a Jedi is and I did that on purpose so that the first time we truly learn what the Jedi were is when Obi-Wan explains it to Luke.
The second text is followed by the opening scenes of ANH and frankly it worked back in the 70s when no one knew anything about Star Wars. I made things a bit more clear but honestly, in terms of ANH we've seen it work before so I'm confident it will.