What does the search engines mean?

Search engines are the software or the computer programs. By the help of which we are able to search for the queries we want, normally a user goes to internet cafe and search for his queries with the certain words [which are known as the keywords also] and gets the result whatever he want.

When someone types the keyword and hit the enter button the SERP comes in view, SERP means Search Engine Result Page. On this page several result comes which totally depends on whatever we search for. The result which comes on the left side of the page is the result for which we have to optimized our sites to come there, it is also known as Natural Listing or Organic Listing . And the result which comes on the right side is the Sponsored links for which the SEM comes in view. SEM means Search Engine Marketing.

There are many Search Engines some of them are Google, Yahoo, MSN, AltaVista and many more.