What action does Karel perform with the command "turnRight()?"

The command "turnRight()" directs Karel to turn 90 degrees to the right. This rotation alters Karel's facing direction, allowing movement along different paths as dictated by the subsequent commands. Understanding Karel's movement is essential when programming it to navigate through obstacles, clean up areas, or accomplish specific tasks. This action is fundamental for successfully executing more complex sequences of instructions, where the orientation of Karel is critical for achieving the desired outcomes.