The word sign derives from the Latin word signum. It is a term that describes a material element, phenomenon or action that, by convention or nature, serves to represent or replace another . A sign is also what gives signs or signs of a certain thing ("The president blushed, a sign of his shame") and one figure which is used in the writing and in the printing press.

Starting from that meaning in which sign is synonymous with sample or indication of a certain issue, it should be stressed that it is often used in the police field. An example of this that we are exposing can be the following: "The body had signs of violence, which came to make clear that the murderer and the victim had faced each other before their death."
A linguistic character sign It is a reality that can be perceived by one or more human senses and that refers to another real plane that is not present. It is composed of a significant , a meaning and a concerning , linked inseparably by the significance .
The punctuation marks they are, on the other hand, tools of Western writing that emerged with the purpose of making the texts easier to understand. They are usually used to indicate pauses. Since writing is a form of communication that implies a linear construction, punctuation marks allow ideas to be separated, hierarchized and put in order.
In this context, it is also interesting to keep in mind the characteristics of the diacritical signs , graphic signs that give considerable value to written signs. The spelling accents, the dieresis and the tilde of the ñ, for example, are some of the diacritical signs.
In the same way, we cannot ignore the signs that are used in the field of Mathematics and that are fundamental when developing those. Specifically, we must highlight the plus and minus signs to perform addition and subtraction, or the signs of a number that determine whether it is positive or negative.
For the medicine , on the other hand, a clinical sign it is every concrete manifestation that can be associated with a disease or disorder that alters the Health . In this way, the disease becomes noticeable in the biology of who has contracted it.
In the cinematographic field a lot of prominence has also been given to the term that concerns us in films such as, for example, The six signs of light. In 2007, this production was released worldwide, directed by David L. Cunnigham and starring Alexander Ludwig, Christopher Eccleston and Frances Conroy.
Specifically said film, inspired by the novel The Dark is Rising of the writer Susan Cooper, tells us the story of a young man (Will Stanton) who discovers a good day that is the last of a series of warriors of immortal character whose mission is to fight against the various forces of evil to prevent the world fall into its claws.
Finally, it is worth mentioning the Zodiac signs , which indicate the place of the zodiac where the Sun is shown ascending at the time of the birth of a person . The traditional western signs are twelve.