Multiple levels of hierarchy
Left Column This example shows the navigation menu with the search box on the right side of the menu bar.

Enter the text to search and click on the submit button which is accompanied by the magnifying-glass icon.
In a moment, you will see the result of your search on the Google Search results page.

To provide a better user experience, the search box has a drop-down menu with relevant links.
For example, it could be the frequently used search queries.