They are usually dark gray and thick because they are, or they are about to be, dumping a whole lot of rain.
A cold front brings in cold air. The cold air causes warm air to rise quickly. The rising air forms cumulus clouds. There is often heavy precipitation at a cold front.
If you were to look at it from the front it would look like the diamond shape.
A cold front on a weather map is typically depicted by a blue line with triangles pointing in the direction of movement. It represents the boundary of a cold air mass advancing towards warmer air, often causing abrupt changes in weather conditions such as thunderstorms, strong winds, and temperature drops.
front view
Calligraphy.
Cold sores look like a blister.
they look like your hand like a fist but with the thrum out in front of your fingers.
cold water
From front side it will look like a simple circle
There was no "front" in the Cold War.
warmer than a cold front and colder than a cold front
A stationary front