How can I customize the cart icon, navigation texts, and footer on my website?

[Jeff1337]

Hello, i got a cart image that ive been trying to replace the current cart icon with, also been trying to remove the magnyfying glass search icon, editing the redirection and name of the Home, catalog and contact texts above and lastly making the Footer having a text on the far right that has 5 texts under it that links to refund policies, terms of service etc and a about us page in the far left on it. Since 5 hours ago i havent gotten anywhere i really would appreciate anything