What's the difference between advertisement and billsticker?

Definition:

(n.) The act of informing or notifying; notification.
(n.) Admonition; advice; warning.
(n.) A public notice, especially a paid notice in some public print; anything that advertises; as, a newspaper containing many advertisements.

Example Sentences:

(1) It transpired that in 65% of the analysed advertisements explicit or implicit claims were made.
(2) Do [MPs] remember the madness of those advertisements that talked of the cool fresh mountain air of menthol cigarettes?
(3) John Lewis’s marketing, advertising and reputation are all built on their promises of good customer services, and it is a large part of what still drives people to their stores despite cheaper online outlets.
(4) What happened in the past was that if smugglers are sure that European boats are patrolling very close to the Libyan coast, then traffickers use this opportunity to advertise, and say to potential irregular migrants: ‘You will be sure to reach the European coast.
(5) It’s not like there’s a simple answer.” Vassilopoulos said: “The media is all about entertainment.” “I don’t think they sell too many papers or get too many advertisements because of their coverage of income inequality,” said Calvert.
(6) Time suggests that the FBI inquiry has been extended from a relatively narrow look at alleged malpractices by News Corp in America into a more general inquiry into whether the company used possibly illegal strongarm tactics to browbeat rival firms, following allegations of computer hacking made by retail advertising company Floorgraphics.
(7) He says has hit his recruitment targets each year by using mailouts, radio campaigns, newspaper advertisements and visiting the homes of potential students.
(8) BAML said that it does not expect "revolution" in ITV's strategic announcement next week, more "evolution", but did say that "advertising alone is no longer enough to maximise the value of ITV's audiences".
(9) Faulkner said: "Tobacco packaging is the last way in which the tobacco industry can advertise and market its lethal products; we have now stopped all conventional advertising and the retail display ban will come into in full effect in 2015.
(10) News International executives are also understood to have been testing the water for a potentially swift launch of a Sunday edition of the Sun as a replacement for NoW, which published the final issue in its 168-year history on Sunday, in conversations with advertisers and media buyers.
(11) What we’re saying is the advertising is false.” Prosecutors are not asking the court to halt the company’s services while the suit proceeds.
(12) "In editorial terms, the journalists will not be involved in any of the dealing with advertisers or with the scheduling of the ads," he wrote on his blog on the BBC's website.
(13) In a month where the price of the paper increased its price to £1.40 on weekdays and £2.30 on a Saturdayand launched the "Own the Weekend" advertising campaign, the headline figure increased by 0.11% to 204,440, the third month-on-month increase in a row.
(14) Retail advertising fell 8% year on year and classified advertising fell 19% for the period.
(15) The FSA last month published a report by Professor Gerard Hastings which concluded that advertising to children does have an effect on their food preferences, purchasing behaviour and consumption, and that these effects occur not just at brand level, but also for different types of food.
(16) The matter of clothing is closely related to another of Wimbledon’s quiet triumphs: the almost total lack of corporate graffiti in the form of logos and advertising.
(17) McCall and her ad director, Stuart Taylor, have also managed to offer 'page dominance' to all but the smallest potential advertisers, meaning that big ads will not be diluted down by having smaller slots alongside them.
(18) A 1977 Apple II computer sits in the background, near a poster that reads "Think" – presumably a nod to Apple's "Think different" advertising campaign of the late 1990s.
(19) "If you don't want my gear [on TV], I've got plenty of other places to take it," Jamie Oliver told advertisers last autumn, brazenly and a tad cheekily, at a Channel 4 "upfront" preview presentation of its 2014 schedule.
(20) The UK's biggest advertiser-funded broadcaster, which hoovers up almost £1 in every £2 spent on free-to-air TV commercials, still derived almost 75% of its £2.2bn in total revenues last year from this source.