Description: A universal application is a type of software designed to run on multiple platforms and devices without significant modifications. Universal applications allow developers to create a single version of their application that can run on a variety of devices, including smartphones, tablets, personal computers, smart TVs, wearables, and connected appliances. This feature is particularly valuable in an ecosystem where device diversity can complicate application development and maintenance. Universal applications are often built using web technologies such as HTML5, CSS, and JavaScript, making their creation and adaptation easier. Additionally, these applications can leverage the specific hardware capabilities of devices, such as sensors and touch screens, to provide an optimized user experience. The relevance of universal applications lies in their ability to reduce development costs and time to market while providing a consistent and smooth experience to users across different devices.