When Optimising A Website For Search, What Impact Do Meta And Title Tags Have On The Search Engine?

They are hidden messages that have no bearing on search engines
They are the on-page content that appears on your homepage, telling search engines what you do
They are automatically generated and help websites rank within search engines
They are embedded messages that help the search engine determine what’s on the page

The correct answer is:

They are embedded messages that help the search engine determine what’s on the page.