Ticking has variants, allowing you to add variations to the product. Here is where you’d add separate colours of the same wall tile. Say you have a wall tile called 'ceramic tile', with a variation in grey and another in sandstone, this is where you could specify the difference.
Scrolling down the page you’ll then see product variants and be able to view each individual item.
Importantly if one of these is discontinued or out of stock you can click the hide button to remove this from the front end so your sales teams can’t sell this and your customers can’t see these options.