I can navigate Unreal engine by using alt-mouse to rotate around objects, right mouse and WASD to move around, and f to focus on far away objects. These can help me get closer to objects to examine them and their finer details.
Static meshes are simple objects that are only there to look pretty and mask collision objects. They do not do anything special, and they are not made to do anything special. Blueprints are customisable and can be attached to other objects to make them do whatever one wants them to. In the content drawer they are labelled by what type of content they are.
In the level I played there were levers, buttons, and pushable cubes. These can be interacted with to activate a goal or deactivate an obstacle in order to further one's state in the game. The levers can be something to permanently hold a state, and buttons can hold a state temporarily. With the usage of cubes, the buttons can also become permanent.
Using the content drawer, I was able to find the HOC_world level. This is where the tutorial is to be followed.
Starting in this level has the problem of being unfinished for the purposes of teaching, and as such can not be played. The next lesson introduces adding collision to static meshes. With the ability to add collisions, the gap can be crossed.