A chain is formed by the union of links.
A chain is a succession of links that are linked in some way. These links can be made of different materials, such as gold, silver or others.
The term chain comes from the Latin catēna. There are chains of the most diverse types and with the most dissimilar functions .
There are chains that are used as an accessory in clothing , hanging from the neck . For example: "My husband gave me a gold chain for the anniversary" , "The victim was attacked when the criminal tried to steal a chain from him" .
Use of chains in vehicles
A snow chain is known, on the other hand, as a device that is installed on the wheels of a car to prevent it from skidding when traveling on a road covered with ice or snow : «The authorities have suggested the use of chains for driving. on mountain roads» , «If you want to reach the summit, you will have to put chains on your car» .
Continuing with vehicles, a transmission chain is one that is used to transfer the movement driven by the pedals to the wheels.
The chain can be a fashion accessory that, in many cases, holds an earring.
The term linked to nutrition
In the field of nature, the concept of the food chain is vital. With it, what is defined is the set of relationships that are established between living organisms in the environment and that determine that some feed on others following a certain order. In this way, for example, we know that insects feed on plants, which in turn become nutrients for rodents, these are the food for reptiles and in turn these are food for birds.
Specifically, we can establish that in every trophic pyramid there are two fundamental steps. Thus, first there are the primary producers , who are those who use solar energy or chemosynthesis to obtain the energy that is used to manufacture organic matter, and then there are the consumers who are the ones who need the organic matter of other beings. alive to generate its components.
In this last case, we have to say that within this step there are parasites, decomposers and predators, which are those living beings that eat their prey whole or in part.
Other uses of the notion of chain
A mountain range , also known as a mountain range , is the series of mountains that are linked together. An example of a mountain range in South America is the Andes mountain range .
Nor can we overlook the fact that we very frequently refer to the term chain to mention the different channels that exist in audiovisual media, such as television or radio . In this way, some examples are the station Cadena Ser , Cadena Cien or Cadenal Dial , in the field of radio waves.
The chain of command is the name received by the scheme or organization that is used in a vertical type entity (with hierarchies) to communicate. Information originates at the top of the pyramid and descends to the base.
In computing , finally, an email chain is created when a certain email is forwarded again and again by the recipients, which favors its circulation among many people.