The expression 4s² represents the total area of the courtyard. It means that the total area is four times the area of a square with side length s.
Step-by-step explanation:
The expression 4s² represents the total area of the courtyard. In this expression, s represents the side length of the square. The formula for finding the area of a square is s². So, the expression 4s² means that the total area of the courtyard is four times the area of a square with side length s.