The application andy wants to use is adobe photoshop
Drag... you drag the mouse across the screen.
This seems like an opinionated question, I suggest attempting to answer it yourself.
Answer:
In other words, you conducted the four fundamental activities that make up the interaction design process – establishing requirements, designing alternatives, prototyping designs, and evaluating prototypes.
Explanation:
A) Undo
In most Windows applications, the Undo command is activated by pressing the Ctrl+Z or Alt+Backspace keybindings.