When signed in to their store account, customers have the option to easily place a repeat order in one click, by using the reorder feature available on their order history page.
Whether a customer has previously ordered a single item, or multiple items in one order, clicking the reorder icon corresponding to that order will create an order with the same items, saving your customer the time of navigating your store and adding these items to their cart.
At this time, customers do not have the option of using the reorder feature to reorder individual items from an order containing more multiple items.