Cat communication is the range of methods by which cat

Cat

The cat , also known as the domestic cat or housecat to distinguish it from other felids and felines, is a small, usually furry, domesticated, carnivorous mammal that is valued by humans for its companionship and for its ability to hunt vermin and household pests...

s communicate with other cats, humans, and other animals. Communication methods include postures, movement (including "quick, fine" movements are made but not generally perceived by human beings), and auditory and chemical signals.

The communication methods used by cats have been affected by the domestication

Domestication

Domestication or taming is the process whereby a population of animals or plants, through a process of selection, becomes accustomed to human provision and control. In the Convention on Biological Diversity a domesticated species is defined as a 'species in which the evolutionary process has been...

 process.
Cats vocalize with purr

Purr

A purr is a sound made by all species of felids and is a part of cat communication. It varies between cats , and from species to species, but can be characterized as a tonal buzzing. Domestic cats purr in a frequency of 25 to 150 vibrations per second...

s, growls

Growling

Growling or growl is a low, guttural vocalization produced by predatory animals as a warning to others, as a sign of aggression, or to express anger. Low or dull rumbling noises may also be emitted by human beings when discontent with something or angry...

, hissing and meows.
A meow is a sound used by cats to signal a request to their mother or to a human being.