How Do I Change The Heading On My Joomla Website?

I am trying to figure out how to change the heading on the top right of my website beside the logo http://www.sowingseedsofhope.com/ is my website. Does anyone know what part of the Joomla admin section I would use to change this? Also on the right side of the page it has Advertisement and featured links I can not tell where in the admin to delete this section. Any help you can offer would be greately appreciated.
Thanks,

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