Noun

Buying and selling in a market.

(uncountable) The promotion, distribution and selling of a product or service; includes market research and advertising.

*{{quote-magazine, title=No hiding place

, date=2013-05-25, volume=407, issue=8837, page=74, magazine=(The Economist) citation , passage=In America alone, people spent $170 billion on “direct marketing ”—junk mail of both the physical and electronic varieties—last year. Yet of those who received unsolicited adverts through the post, only 3% bought anything as a result.}}

Shopping, going to market.

* 1926 , (George Herriman), comic strip Us Husbands'', June 12th, 1926 (reprinted in the back of ''Krazy & Ignatz , vol. 1922–1924, Fantagraphics, 2012, ISBN 978-1-60699-477-1, p. 223):

[Wife to husband:] I'm going out to do my marketing – keep out of the kitchen, while I'm gone.