Design > Static Pages in your store
From Shopnix Help
What is Page ?
In the page section you can customize your store means you can add new pages and modify existing pages or you can add/edit HTML,CSS,Java Script.
Where I will get page feature ?
Go to store manager > SETUP > PAGES
you will redirect to the page
you can see the details how to add/edit pages
Now comes to Show Pages With section.This section helps you to search page(s) in the list.
If you have more queries or would like assistance with this please contact us on firstname.lastname@example.org.