CPM

“CPM” is an abbreviation for “Cost per Thousand”. Doesn’t look much like an abbreviation, until we remember that M is the roman numeral for “thousand”. Don’t worry, it’s just advertising types trying to show off. …
www.pr2.com/webads2.htm

Cost per thousand. The term refers to the cost of reaching one thousand advertising exposure opportunities in a market.
www.pattisonoutdoor.com/en/index.php

The amount an advertiser pays for one thousand advertisement impressions, regardless of the consumer’s subsequent actions.
www.small-business-software.net/ppc-definitions.htm

An advertising campaign pricing model based on an estimate of the number of impressions of a particular creative in a particular media at a …
www.adserversolutions.com/adserver/adterms.html

CPC

Cost per click (CPC) is one of the online payment models by which advertisers pays for each click through made on their advertisement. Prices typically range from 1¢ to over 50¢ per click through. …
www.allaboutjazz.com/php/advertising/glossary.php

When referring to banner ads, CPC is the cost the advertiser pays to the site publisher each time a visitor clicks on the advertiser’s ad.
www.score.org/eb_1.html

PPC
A pay-for-performance pricing model where advertising (such as banners or paid search engine listings) is priced based on number of click-throughs rather than impressions or other criteria. Google and Overture is an example of a search engine which charges advertisers on a pay-per-click basis.
www.cleverclicks.com.au/glossary-p.php

is the common term for advertising such as Google Adwords where an advertiser pays each time someone clicks from their ad through to their website. …
www.onlineadvantage.co.nz/glossaryofwebterms.php

When a user searches for a particular search term, the search engine returns a list of natural search results, along with a list of targeted pay-per-click (PPC) ads. …
www.foundagency.com/understanding-sem/glossary.htm


remnant

  • leftover: a small part or portion that remains after the main part no longer exists
  • end: a piece of cloth that is left over after the rest has been used or sold
    wordnetweb.princeton.edu/perl/webwn

ad impressions

ROI

In finance, rate of return (ROR), also known as return on investment (ROI), rate of profit or sometimes just return, is the ratio of money gained …
en.wikipedia.org/wiki/ROI_(business)

ROI (return on investment) is “the bottom line” on how successful an ad or campaign was in terms of what the returns (generally sales …
developer.admob.com/wiki/Definitions