It shows all the linked Etsy listings here. To view all mapped listings go to App Sidebar menu → Mapped Listings then mapped listings table is shown as below 

    The table shows all the mapped/linked Etsy items with the Shopify products.

Click on ‘Map with Etsy Item’ to map or link that item with Etsy items, this will open a popup page where you can select the item which you want to map.

Click on ‘Change’ button to change already mapped or linked Etsy item. This will open a popup page where you can select the item which you want to map.

Similarly to update the shopify product, click on ‘Update’ button in the Shopify Product Id column. This will open a popup page showing shopify products where you can select the product to update.