Zeno Page Builder allows you to create theme sections to reuse in the BigCommerce theme editor. It becomes handy to edit existing theme pages: default home page, default product pages, cart pages, or any other pages on your store.
Step 0: In order to insert the sections into your theme. Make sure you have published them under Theme sections
Step 1: Go to BigCommerce Admin and open the Theme editor
Note: By default, BigCommerce page builder only allows to edit the homepage, and subpages. If you want to edit a Product page, or a Category page, find that product/category in BigCommerce Admin and open the page builder from the item menu:
Step 2: You will find all Zeno sections under Custom category.
Step 3: Drag and drop a section into the page.
That is how you can use Zeno theme sections in the BigCommerce theme editor.