When visitors browse to a page that contains a CSWP, the Web Part automatically issues a query. The search results are displayed within the CSWP. In most cases, visitors won't even know that search technology is being used to display the content they're viewing. To them, it'll look and feel like any other webpage.By configuring a query in a CSWP, you can define which content visitors will see when they browse to a page that contains a CSWP. By default, the query in the CSWP is configured to show the three most recently changed items on the site.