eBusiness & eCommerce are terms used interchangeably to refer to the buying and selling of products or services on the Internet.

"Organic"  or "Natural" Search Results are web pages listed on search engine result pages (SERPs) that appear because of their relevance to the search terms.

These results are completely non-biased - meaning that the search engine will not accept any amount of money to influence the rankings of any individual sites. Instead, the results are based on specific criteria that the search engine algorithm determines.

Go here to learn more about how search engines works.

PPC advertising involves sponsored links or adverts that are typically in the form of text ads. These ads are usually displayed close to search engine natural or organic results, where an advertiser pays a particular bid amount for targeted visitors who click on these ad links. PPC advertising has now extended to displaying banner and text ads on their sponsored network which ads appear on the advertiser's web page(s).

PPC advertising is also known under the following names / variations:

• Pay per placement
• Pay per performance
• Pay per ranking
• Pay per position
• Cost per click (CPC)

Go here to learn more about pay per click advertising.

Search Engine Marketing, or SEM, is a form of Internet Marketing that seeks to promote websites by increasing their visibility in the Search Engine results pages (SERPs). Search engine marketing would include: :

• Search Engine Optimization
• Pay Per Click Advertising
• Paid Inclusion