The commands we’ve seen so far are only a small sampling of the available operations.
As you become more familiar with Symex, it will be useful to refer to the Keybinding Cheat Sheet to discover more capabilities, and also the Resources for further study. For tips and tricks, see Squirrel on a Speedrun - Tips and Tricks.
When you’re using Symex, because these operations are so convenient and intuitive, you’ll find that you use a lot of them, all the time. It’s just like speaking a language. We don’t typically count the distinct words we use in speech, but if we did, we’d find that we routinely use a lot of them, without breaking a sweat! It’s the same with Symex.