In website's Gecko, Go to Collection list
Go to Theme Settings > Select Collection List Page section.
You can choose “All” or “Selected”.
It'll show all the collection on theme
You can add the collection by scrolling to the bottom & add the content:
Sort collections by: You can select sorting collection.
There are 6 types sorting
+ Product count, high to low
+ Product count, low to high
+ Alphabetically, A-Z
+ Alphabetically, Z-A
+ Date, old to new
+ Date, new to old
Categories product count title: Enter title for product count.
Categories view: Enter categories will show on screen.
Layout: Select layout to show categories.
Categories design: Select design to show categories.
Space between categories: Choose space between the banners.
Autoplay Speed in milliseconds: Set speed in milliseconds.
Use autoplay?: Tick on option to use autoplay.
Use Arrows?: Tick on option to use arrows.
Use pagination control?: Tick on option to use pagination control.
Use Infinite loop sliding?: Tick on option to use loop sliding.
Slides To Show: Set number slides to show.
Breakpoint: Set number slides will show on small screen.
Use equal height images?: Tick on option to use equal height images.
Image size: Select size to show images.