Gift Card, {category}, {parent_category}

Gift Card Category –

Guide for Duplicate Categories for Magento 2 [Amasty Extensions FAQ]

PrestaShop 1.7.x – How To Show Subcategories Products In Parent

Time-Based Categories

WooCommerce Smart Coupons - How to Add a Coupon Category?

Miva Docs: Miva 10 Categories Parent/Child Categories

Creating Categories

Get all the products which are inside parent Category and child

Knowledge: Create & Manage Categories

Gift Guide Tips from Shopify Experts