Unironically, try to understand "energy" first. If you learn a little bit of tai chi (or Qigong), you will learn to "feel" energy.
I know it seems like I'm misguiding you, but it's the best way to learn about how energy, mana, or ki moves through your body. It doesn't have to be a religious experience; even post-modern nihilistic liberals use tai chi for relaxation. Now, once have a basic idea, you can do something like this
>>41311646
If you visualize the tiwaz rune without any idea of how energy moves through your body, it's probably not going to work
The rune was important because back then, symbol/word = action
The spiritual world was ever-present in our reality, and actions are reflections of a higher power. In the modern world, that's not the case