The Fork has many meanings and uses.
The Dinner Fork is a utensil used for eating.
The Tuning Fork is an instrument used to tune musical instruments. the frequency or tune is determined by the length of the forks.
The Pitch Fork is a tool used by Farmers and Fishermen. Farmers use it to turn their hay while it is on the ground to dry. Fishermen use it to throw their catch from the boat onto the wharf.
In this case it is a Fork in the road and is in the shape of a Y, Now which way will I go?