Going in deep refers to a driverOK, so we all know what the driver is, right. I've always liked the description that F1 drivers are like... There's more... braking late in the corner
In formula 1, a corner is much more than a turn on the track, it is a considered and deliberate... There's more... so they have carried more speed and gone deeper into the corner.
A technique used to get ahead of the car in front and gain position. But if not executed correctly, it can unstabilised the car with a loss of exit speedExit speed refers to the car's speed as it exits the corner. Perfecting the corner through all phases will maximise... There's more..., allowing the passed car an opportunity to recover the position.