A walkthrough is a series of screens or steps that guide users through the app and explain its features and functionality. One of the most common uses of a walkthrough is in user onboarding. A walkthrough is typically presented to new users when they first open the app, and is designed to provide a quick and easy introduction to the app and its key features. A walkthrough can include text, images, videos, or other elements to explain the app's functionality and help users understand how to use it. Walkthroughs can be an effective way to help users get started with an app and to encourage them to continue using it.