Search engines are developed mainly for consumers to search the network. A search engine matches queries which then creates an index. Basically a Search Engine has a lot of functions that is put to work when a consumer is searching for his/her engine. A search engine has four essential modules a document processor ,a query processor,a search and matching function ,a ranking capability. Lets say when you are focusing on the search and matching in the search engine, you will probably get something you were or were not looking for because that was only one out of four search engine modules. while searching the search engine goes through different processes that we would not think of at the time that we are performing the search. With a click of a button all this information that we are looking for is being processed and in one second it is found.