Here and now is where you are aware by looking within beyond identification with your own mind. Doing what you are doing right now, based on direct experience of this moment unattached to any mental objects of perception, you are present.
The journey into the light is the process that reveals your true nature which is available for us to discover by looking within oneself. Continuous surrender to what is here and now by realizing that clinging to objective reality is what happens at this moment by using concepts to understand what we perceive though our minds.
To let go those mental labels that you consciously or unconsciously assigned to certain objects is to became more aware of what is happening in your mind right now
To remain detached from any identifications is to be aware of those identifications that you make unconsciously or consciously
To eliminate anxiety is to be aware of thoughts and emotions, the moment you're are aware of thoughts and emotions you are able to short-circuit the cycle of thought emotion which creates anxiety or fear. But the thing is you can be aware of thoughts and easily elliminate the compulsive thinking which creates anxiety by trining the mind.