If you want to have such style of header like on Rewise demo with search and icons. Go to theme option – header option – header layout and enable “Shop/Comparison header layout”. Then, you can enable/disable icons and add labels. If you need category dropdown in search, follow next
Check also how to set wishlist and quick comparison pages
In updated Rewise theme demo we use next structure
Woocommerce products – for Price comparison. Check step by step guide
Posts we used for Coupons – check how to use Coupons
And Blog section – for reviews. How to enable separate Blog section. How to use Reviews