How many types of UI components do we have?
User interface elements usually fall into one of the following four categories: Input Controls. Navigation Components. Informational Components.
What is a UI component library?
In the simplest terms, a UI component library is a comprehensive toolkit that combines prebuilt feature-rich components/controls, API, guidelines, sample apps, integration scenarios, code examples and extra tooling that streamlines app development, helping developers build great interface faster.