ROOK --> OPEN FILE --> DOUBLE ROOKS --> 7th RANK

To bring your Rook to a good position, control the Open File.
Increase the control by doubling the Rooks.
Attack the enemy position by going to the 7th Rank.
2 Sample Games to understand:
Laszlo Szabo vs Robert James Fischer
Jose Raul Capablanca vs Alexander Alekhine