Exactly what is 4D? 4D means "4 digits." It is a popular lottery sport in Singapore where gamers decide on a combination of 4 numbers from 0000 to 9999. So how exactly does the Game Work? Gamers pick their desired 4-digit quantity or can go with a random assortment. https://william764z8fq5.blogrelation.com/34172510/4d-effects-now