What is a mediator?
Mediator - a word that comes from the Latin "mediātor", which means "mediator". So, one of the meanings of the word is a mediator in diplomatic relations and various trade deals.
The thin plate with sharp edges, which is used by musicians to pick strings, is also called a pick. It is used not only for guitar, but also for other musical instruments (plucked). You need a mediator in order to protect the musician's fingers from corns, as well as to achieve a certain sound. To learn how to learn to play the guitar with this device, tell the article How to play a mediator.
In computer science, a mediator is a process that saves data even when the system has stopped working or has abnormally ended.
In biology and medicine, mediators are substances that accelerate the transmission of the nerve signal from cell to cell.
There is also the profession of mediator, which consists in resolving arising disputes and contradictions within the organization and with its counterparties.