For the standard navigation go to Settings > Theme: Navigation:

• Pages to show on header — multi-select of built-in links: Order, Meal Prep Categories, Meal Catering Categories, View Menu Page, View Catering Menu, FAQ Page, About Page, Select Meals, My Subscription, Contact Us, Pickup Locations, Product Categories, Custom Link 1, Custom Link 2.
• Pages to show on footer — About Page, Current Menu, Contact Us, Terms & Conditions, Privacy Policy, FAQ Page, Pickup Point, Select Meals, My Subscription, Blog, Custom Link 1, Custom Link 2.
• Menu top position — Left or Right.

Each link's wording is set by the Name: … fields (e.g. Name: About Page, Name: Blog, Name: Faqs, Name: Terms & Conditions) and, for several, its destination by the Link: … - Start with http if external link fields (About Page, Contact Us, Faqs, Terms, Privacy Policy). Custom Link name 1/2 and Custom Link 1/2 - Start with http if external link let you add two free links (e.g. to a CMS page pages/our-story or an external URL). Save the settings; the site updates immediately.