Encyclopædia Britannica is a highly respected general knowledge English-language encyclopedia, known for its authoritative content written by subject experts.
Examples provide concrete instances or illustrations of abstract concepts, making them easier to understand and relate to. This entry covers examples from real estate, art, and collectibles to treasury bills and commercial paper.
Acceptable levels of behavior or achievement established by authority, custom, or consent.
An in-depth look into the term 'Manual', covering both its use as a small reference book and physical labor performed by hand.
