Recognition, or recognize, is when humans or animals familiarize the surrounding objects or beings as an enemy, friend, dangerous, or harmless. These cognitive acts relate to the beings' perception, memory, learning, and experience in their environment.
Pattern recognition in software [change]
In computer programs, pattern recognition helps computers to distinguish objects, images, fingerprints, writing, audio, faces and others automatically. Pattern recognition tries to teach computers to perceive and recognize things as accurate as possible to how people do it or better.
When a country recognizes another country, it means that the first country believes that the second country is legal and has a right to be a country. Countries that recognize each other have diplomatic relations. That means they send diplomats to each other, and make different kinds of agreements, about trade, international laws and other things.