What is the meaning of advertising?

noun

• A public promotion of some product or service.
  • synonyms: ad, advertisement, advertizement, advertizing, advert
• The business of drawing public attention to goods and services.
  • synonyms: publicizing

verb

• Call attention to.
  • usage: "Please don't advertise the fact that he has AIDS"
  • synonyms: advertise, publicize, advertize, publicise
• Make publicity for; try to sell (a product. )
  • usage: "The salesman is aggressively pushing the new computer model"; "The company is heavily advertizing their new laptops"
  • synonyms: advertise, advertize, promote, push