The term PPC (pay-per-click) refers to a form of search engine advertising where advertisers pay a fee each time one of their ads is clicked by a user. There are several characteristics that are associated with PPC advertising, including: 1.Ad placement: PPC ads are typically displayed at the top and bottom of search engine results pages (SERPs), and sometimes in other areas of the page as well. The exact placement of an ad is determined by a number of factors, including the ad's bid amount and quality score. 2.Keyword targeting: PPC ads are typically triggered by specific keywords that advertisers select. When a user searches for a keyword that matches an advertiser's selected keywords, their ad may appear in the search results. 3.Bid amounts: Advertisers must bid on keywords in order to compete for ad placement. The amount they are willing to pay per click (i.e. their bid) determines how much exposure their ad will receive. 4.Quality score: Search engines assign a qualit...