Psychological grounding involves techniques designed to "anchor" a person in the present moment, often used to manage anxiety or PTSD.
: A popular technique highlighted by Calm involves identifying 5 things you see, 4 you can touch, 3 you hear, 2 you smell, and 1 you taste.
"Ground" is also used to describe the fundamental basis of existence or territorial sovereignty.
: The Home Depot explains why wiring requires a ground to prevent short circuits and harmful discharges.