The Site Search Portlet is a text box which allows site users to search the site for matching content or documents by using specific words or phrases. 

"+" This symbol allows for the creation or modification of portlets on the existing page
This symbol allows for the creation or modification of portlets on a new or exitisting page.
This symbol is used to provide a preview of the current page or portlet.
This symbol provides a list of update dates and the individual who updated that portlet.
This symbol provides the ability to see the all the pages that portlet is currently being displayed on.
This is the DELETE symbol.  All delete actions will prompt the user before the delete occurs.
This symbol allows you to copy an existing portlet.

1- Portlet Name: Giving this portlet a name allows you to locate it alphabetically in your list of Site Search Portlets  in the admin tool.
2- Short Description: Provide a short explanation of the portlet you are creating.
3- Search Filter: Used to specify the name of a CMS Dynamic List Portlet that will be used as the filter for how search results are formed. 
4- Search Label: content that appears next to the search box.  Typically a company will use the term "Search".

Add Site Search Portlet:

  1. Select Portlets; Site Search
  2. Select + adjacent to Portlet Actions for Site_Search.
  3. Name and Describe the Site Search Portlet you are adding. 
  4. Choose if you are going to add a Search filter.  If not, leave it as None.
  5. Enter a Search Label.
  6. Clock Save Info.