What is the use of a program in SEO related information?

The program receives the information using the search request and then it compares the entry with the index and according to that show the results.

Program allows the search engine to use a structured directory that includes the topics and allow the search engine to crawl the data from the web.

Program allows the web portal sites to offer the search engines and directories that find the information and make it accessible to all.

It includes the basic components and features essential for the users to be used for the better optimization of the search engines.

The components work together to provide the information for the search engine to perform better.