What is the meaning of identification?

noun

• The act of designating or identifying something.
  • synonyms: designation
• Evidence of identity; something that identifies a person or thing.
• The condition of having the identity (of a person or object) established.
  • usage: "the thief's identification was followed quickly by his arrest"; "identification of the gun was an important clue"
• The process of recognizing something or someone by remembering.
  • usage: "a politician whose recall of names was as remarkable as his recognition of faces"; "experimental psychologists measure the elapsed time from the onset of the stimulus to its recognition by the observer"
  • synonyms: recognition
• The attribution to yourself (consciously or unconsciously) of the characteristics of another person (or group of persons. ).