Key features refer to the essential characteristics or attributes that define a product, service, or system. These features help users understand what to expect and how to utilize the offering effectively. For example, in a smartphone, key features might include the camera quality, battery life, and storage capacity, which are crucial for potential buyers. In software applications, key features often highlight functionalities such as user interface design, security measures, and integration capabilities with other tools. Understanding these features allows users to make informed decisions and maximize the benefits of the product, whether it’s a smartphone, software application, or any other item.