Academics

1. Paid Form
An advertisement is paid for by its advertiser. The advertisers pay for acquiring the space and time for conveying the message.

Advertisement (Noun) is a message that promotes products and/or services.

An MSME is a locally operated enterprise that runs for-profit and targets local customers for selling with profit generation.

For example, you watched so many advertisements of Pepsi and Coco-Cola that replaced soft drink/cold drink figures in your mind as Pepsi and Coke, now wherever you see black cold drink you call it Pepsi or Coca-Cola.