The global setting is used to set for all customization products, if you need to have a different setting for each product you will need to go to the product and set it from inside the product, basically, if you import your Shopify product by default it will use the global setting.
on the setting area, you will have 3 menu
1. Appearance
Inside this menu, you will find redirect setting, quote system setting, add to cart button option, term & agreement option, showing customization on the sidebar, and canvas area.
2. Default setting product
on default setting product you can set character limit, image restriction, and many more options for the product.
3. Social Media Integration
This feature used to set up your Facebook and Instagram so your customer can upload or select the image from FB or IG