1. The web server sends the query to the index servers. The content inside the index servers is similar to the index in the back of a book - it tells which pages contain the words that match the query. 2.The query travels to the doc servers, which actually retrieve the stored documents. Snippets are generated to describe each search result. 3. The search results are returned to the user in a fraction of a second.
Yes, its a Google product, which helps us to find out relevant keywords. Follow the below listed steps to reach that tool. 1. Enter a keyword in Google search box 2. Below to that search box you will get show option with " + " symbol. 3. Click on the" +" 4. You will get a drop down menu. 5. There you can see that wonder wheel tool
I am not using "Google Wonder wheel" because it has got limited number of keyword compare to Google Adwords.