Question 4: misunderstanding

[bahtou]

Suppose you wrote a function, center_circle(), that draws a circle of a given radius around the current location of the turtle and restores the turtle to its starting point.

-- What turtle functions would you use to move the turtle from the center to the edge of the circle and get ready to call the original circle() function?
Answer:

-- Suppose the interface of this function requires the turtle to end up in the same place it started, facing in the same direction it started.
Answer:

-- What is this type of requirement called?
Answer:

What is the second question asking?