E-commerce (eCommerce) is also known as electronic commerce or internet commerce. It refers to the buying and selling of goods/products and/or services over internet connection and a software platform called online store, eShop or online shop. The web software generates an order and save the customer data (names, contact info, addresses, payment info, delivery info and so on). Some online stores may also need to transfer the money through an online transfer, for example paying using international credit or debit card, electronic money transfer (PayPal, Stripe, Skrill, Paysera and many more). Some goods or services could be accessible immediately after the payment – like downloading software, designs, photos, music, video and so on.
eCommerce (Online Stores, eShops) development includes responsive website design and mobile version (standalone or as a part of responsive design). This is not a requirement, but adds business benefits by allowing customers to order from their phones, tablets and/or another devices.