No right answer
The more you explore Unity, the more you'll discover that there are many possible ways to do one thing. Often, there's no right way to do something, it all depends on what you're building and how you want it to look. There can, however, be better ways to do things: as we saw earlier, programmers call these preferred methods "best practices".
You can build a title screen for your game in a number of different ways. If you have a 3D world, maybe you want the camera to fly around the world as a piece of 2D title work fades up over it? Maybe the title work should be in 3D, and you start the game by moving a controllable character through a doorway? For this introduction to Unity GUI controls, we'll take a flat 2D graphic of our game title work and add a Play button on top of it. This is how it will look when we're finished: