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Theme editor basics

LuminOS is an Online Store 2.0 theme: most pages are built from sections and nested blocks.

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Sections vs blocks

  • Sections — full-width (or page-width) units you add to a template (hero, FAQ, product information, Lumin Meta Reviews).
  • Blocks — pieces inside a section (text, buttons, quantity breaks, review stars).
Use Add section / Add block in the left sidebar of the theme editor.

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Templates

Each template (home, product, collection, page, cart) has its own section stack. Switching templates on a product or page in Admin changes which stack merchants see. Useful LuminOS templates include product presets and page templates such as bundle, changelog, and theme features.

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Overlay group

Email popup and cart drawer live in the overlay / app-like layer (header-adjacent groups), not as ordinary page sections. Look for: Edits there apply storewide.

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Lumin sections builder

The Lumin sections section is a flexible wrapper for composing content blocks quickly on landing pages. Prefer dedicated feature sections (bundle builder, Meta Reviews, FAQ) when you need those behaviors.

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Apps and data

Some blocks expect Shopify data:

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Still stuck?

Post in Customization with the template name and a screenshot of the editor sidebar.