A very small seed sits under a ruler with the 1, 2, 3, 4 inche marks noted at the top.
The flower on the red background measures less than 1/2 an inch.
White ruler that has the number up to 4 measuring an item.
An object is placed between the 2 and 3 demarcations on a ruler.
the number 1 is on a ruler that is in front of red