The UI Object Repository is a feature that allows you to store and reuse UI elements across different automation projects1. A UI Library is a type of project that contains UI elements and workflows that can be used as dependencies in other projects2. When you import a UI Library as a dependency in your current project, the UI Object Repository defined in the UI Library will automatically be available in your current project3. You can access the UI elements from the Object Repository panel in Studio and use them in your activities4. Therefore, the correct answer is C. The other options are incorrect because they do not reflect the actual behavior of the UI Object Repository and the UI Library.