Fulfill is the American spelling of the word. In English speaking countries such as the UK and Australia, it is spelt fulfil. To fulfil, in relation to eCommerce is to complete all steps of the logistics process after a customer places an order. This refers the process of picking, packing and shipping the order to the customer.
Fulfil spelt with a single “L” is commonly used in English speaking continued such as the UK and Australia. Fulfill with a double l is the American spelling of the word. Both are correct depending on your location. Using the work in the context of order fulfilment, fulfil means the process of picking, packing and posting an eCommerce order once it’s placed.