What are the main types of fronts?

There are 4 main types of fronts. These are; -Cold front, -Warm front, -Stationary front -Ocluded front

In atmosphere those fronts occur like in the picture below;

This is the explanation summary of each type of front;

Symbols of fronts in a meteorological map can be seen in the picture below.

In a low center, we may observe fronts like in this map;