Which one of the following can be said to be essentially related to ‘P

Which one of the following can be said to be essentially related to ‘Polar Front Theory’ ?

Anticyclone
Tropical Cyclone
Temperate Cyclone
Inter Tropical Convergence
This question was previously asked in
UPSC NDA-1 – 2019
The ‘Polar Front Theory’, also known as the Norwegian Cyclone Model, was developed by Norwegian meteorologists around World War I. It describes the formation and life cycle of temperate cyclones (also called mid-latitude cyclones or extratropical cyclones). The theory posits that these cyclones form along the polar front, the boundary between cold polar air and warm subtropical air masses, through a process of wave development and cyclogenesis.
The Polar Front Theory provides a model explaining the formation and evolution of temperate cyclones.
Anticyclones are high-pressure systems associated with clear weather. Tropical cyclones form over warm tropical oceans. The Inter Tropical Convergence Zone (ITCZ) is a belt of low pressure near the equator where trade winds converge, associated with tropical weather systems, not temperate cyclones.