We learn from symbols. Chogyam Trungpa's explanation of direct vs. relative symbolism is a way that you can relate to reality in an invigorating, non-escapist way. You're trying to have a direct experience with the thing itself--whatever is in front of you.
The structure of the aura is fairly set, but you can up the wattage of your radiance by working on the arcline. Yogi Bhajan said that you only have two chances for amplification--the Arcline and the radiant body.
The arcline is the record of everything you've ever thought, said or done. This is also known as the Akashic records. Clearing the Arcline meditation that can be done for 40 days to clear it. The best facelift in the world is clearing the subconscious mind.
2018 Ra Ma Daily Practice: Auric Projection (24:30) Cat-Cow and the Master Set (30:09) 31- Minute Meditation: Clearing the Archline (47:00)