Collection
To edit Collection part, please follow those steps:
- Step 1: Please go to
- Step 2: Click on button: Customize Theme 
- Step 3: Scroll to selection "Collection":

To see the Collection's result Please check its Demo here !
Collection layout
To edit Content Layout part, please follow those steps:
- Step 1: Please go to https://yourstorename.myshopify.com/admin/pages/new
Then enter the content for Collection:

You can see the clear result on the frontend:

Collection page title
To edit Collection Page Title part, please follow those steps:
- Step 1: Please go to
- Step 2: Click on button: Customize Theme 
- Step 3: Scroll to selection "Collection Page Title":

Then you will see the Collection Page Title's result on Frontend:

Collection sidebar
To edit Collection Sidebar part, please follow those steps:
- Step 1: Please go to
- Step 2: Click on button: Customize Theme 
- Step 3: Scroll to selection "Collection Page":

Then you will see the Collection Sidebar's result on Frontend:

To translate this page, please follow those steps:
Step 1: Please go to this link:
https://yourstorename.myshopify.com/admin/themes
Step 2: Click on Edit Language:

Step 3:

Detail
To edit Detail part, please follow those steps:
- Step 1: Please go to
- Step 2: Click on button: Customize Theme 
- Step 3: Scroll to selection "Product Page":

To see the Detail's result Please check its Demo here !
Cart
To edit Cart part, please follow those steps:
- Step 1: Please go to
- Step 2: Click on button: Customize Theme 
- Step 3: Scroll to selection "Cart Page":

To see the Cart's result Please check its Demo here !