What is the meaning of the word "rich"?

Definitions:

containing plenty of fat, or eggs, or sugar adjective
- rich desserts
having an abundant supply of desirable qualities or substances (especially natural resources) adjective
- blessed with a land rich in minerals
marked by richness and fullness of flavor adjective
- a rich ruby port
of great worth or quality adjective
- a rich collection of antiques
people who have possessions and wealth (considered as a group) noun
- only the very rich benefit from this legislation
pleasantly full and mellow adjective
- a rich tenor voice
possessing material wealth adjective
- My father is extremely rich.
suggestive of or characterized by great expense adjective
- a rich display
very productive adjective
- rich seams of coal