The provided text defines affirmation as the act of confirming or supporting something. It gives a simple example of an affirmative action, namely nodding in agreement. The excerpt focuses on the meaning and use of the word "affirmation," clarifying its role in expressing confirmation or agreement. The brief nature of the text limits its scope to a concise definition and illustrative example.

self-satisfaction especially when accompanied by unawareness of actual dangers or deficiencies When it comes to safety, complacency can be dangerous.

in Chinese thought) a system of laws considered to govern spatial arrangement and orientation in relation to the flow of energy (qi), and whose favorable or unfavorable effects are taken into account when siting and designing buildings.

the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.

Tunnel vision is the loss of peripheral vision with retention of central vision, resulting in a constricted circular tunnel-like field of vision.

Emerge from the darkness, blacker than darkness. Purify that which is impure" is an incantation used by jujutsu sorcerers to create a curtain. When activated, the curtain:

Transparency

State of mind