Description: Investing is a fundamental concept in project management and software development, especially within agile methodologies. It refers to an acronym that stands for Independent, Negotiable, Valuable, Estimable, Small, and Testable. These characteristics are essential for defining a good user story, which is a key tool in the planning and execution of agile projects. Each of these characteristics provides a clear and structured approach to ensure that user stories are effective and meet project objectives. Independence allows stories to be developed in isolation, facilitating their implementation. Negotiability implies that stories can be discussed and adjusted according to the needs of the team and the client. Value ensures that each story adds benefit to the end user. Estimability allows the team to evaluate the effort required to complete the story. The small dimension suggests that stories should be brief enough to be completed in a single work cycle. Finally, testability ensures that each story can be verified through testing, thus guaranteeing its quality and functionality. Together, these characteristics help teams maintain an agile and customer-focused approach, facilitating the continuous delivery of value throughout the project lifecycle.