It means, 'great work' like building the Panama Canal, or the Pyramids in Egypt.
La Gran Mafia rivals with Nuestra Familia.
Gran Tourismo Omlagato a European race similar to LaMans and Gran Prix
They usually mean Gran Sport
l.57
Gran Turisimo Internationale
GTI - Gran Turismo Injection -C-
i had a great time
Gran Sport Experimental Racer
Gran refers to granulocyte, which is a type of white blood cell.
La Gran Mafia is not a gang, it is a Hispanic mafia in which several Southern Cali gangs, called Surenos are under.
Have a great afternoon
It means- A big day