There's a lot of subtle information in the world around us. Let's call it 'tangible, but often overlooked.' We naturally screen a lot out. If we didn't, our brains would go 'tilt.'
...Sit for a moment and notice all the ambient sounds in your environment right now. What do you hear...?
from Landscape With Spirit: Connecting What's Around You with How You Feel
by Elizabeth Eckert, PhD