The Orders list page is where all of your orders are visible, you can see the following cells:
Order ID: this is the unique identifier of your order
Product: this is the product that was acquired by your customer
Customer: this cell indicates the customer that acquired your product
Tax %: this value is the tax rate that was applied when purchasing your product, it will be N/A (Not Available) when your product is free or when tax collection is disabled.
Transaction fee: here you'll see how much fees occurred for this transaction
Total paid: this is how much your customer has paid in this transaction
Created at: when this order was created