In which approximate direction does the centre of a non-occluded frontal depression move?

Question

ATPL - Airline Transport Pilot license - Meteorology - In which approximate direction does the centre of a non-occluded frontal depression move?

QuizVDS · Accepted Answer

In the direction of the warm sector isobars.

QuizVDS · Answer

In the direction of the sharpest pressure increase.

QuizVDS · Answer

In the direction of the isobars ahead of the warm front.

QuizVDS · Answer

In the direction of the isobars behind the cold front.

ATPL: In which approximate direction does the centre of a non-occluded frontal depression move?