Match the step with your plan for the app.
a. Wireframe your app
b. Define your objectives.
c. Define use case(s).

Pairs
a. User enters a topic, the app switches to a screen with an explanation. This app will help users learn to program Python. On that screen, the user can choose to see sample code.
b. You draw mock-ups of each screen and identify the input-process-output for each screen
c. You show how each screen flows to the other screens,