Magento Commerce 2.1.x
Sorting Category Products

The position of products in a categoryA set of products that share particular characteristics or attributes. can be specified manually by dragging and dropping products into position, or by applying a predefined sort order. By default, products can be sorted by stock level, age, color, name, SKUStock Keeping Unit: A number or code assigned to a product to identify the product, options, price, and manufacturer., and price. Automatic sort overrides the current sort order, and resets any drag-and-drop positions that were set manually. The sort order of colors and the minimum stock level that can be required for products to be included in the list are set in the Visual Merchandiser configuration.

You can set up the category options separately for each store view to determine the selection of products, their relative position in the list, and the attributes that are available for category rules.