What does affluence mean?
The definition of affluence
Af”flu*ence, n.
Etym: [F. affluence, L. affluentia, fr. affluens, p. pr. of affluere to flow to; ad + fluere to flow. See Flux.]

1 A flowing to or towards; a concourse; an influx. The affluence of young nobles from hence into Spain. Wotton. There is an unusual affluence of strangers this year. Carlyle.
2 An abundant supply, as of thought, words, feelings, etc.; profusion; also, abundance of property; wealth. And old age of elegance, affluence, and ease. Coldsmith.

Synonyms
— Abundance; riches; profusion; exuberance; plenty; wealth; opulence.