<![CDATA[Online food-ordering applications can shorten the purchasing process, but users may still encounter complex navigation, dense information, lengthy checkout flows, and limited visibility of order status. This study designed the user interface and user experience of an online food-ordering application using Human-Centered Design (HCD). Data were collected through observation and interviews with prospective users. The design process followed four iterative stages: understanding and specifying the context of use, specifying user requirements, producing design solutions, and evaluating the design. The requirements analysis identified the need for simple navigation, efficient menu discovery, flexible payment methods, secure transactions, and real-time order tracking. These findings were translated into functional and non-functional requirements, a use-case model, a user flow, an information architecture, wireframes, a design system, and a high-fidelity prototype developed in Figma. User feedback indicated a preference for a simple interface and fewer checkout steps. The design was therefore refined by simplifying the navigation structure, enlarging primary action buttons, and reducing checkout complexity. The resulting prototype provides a user-oriented foundation for efficient food discovery, ordering, payment, and order tracking. Further work should conduct quantitative usability testing, such as the System Usability Scale, to obtain a measurable assessment.]]>
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