description vs identifier

description

noun
  • A set of characteristics by which someone or something can be recognized. 

  • A descriptive linguistic survey. 

  • A sketch or account of anything in words; a portraiture or representation in language; an enumeration of the essential qualities of a thing or species. 

  • The act or practice of recording and describing actual language usage in a given speech community, as opposed to prescription, i.e. laying down norms of language usage. 

  • A scientific documentation of a taxon for the purpose of introducing it to science. 

  • The act of describing; a delineation by marks or signs. 

identifier

noun
  • Something that identifies or uniquely points to something or someone else. 

  • One who identifies as a particular type or role; one who says and believes that they are a certain thing. 

  • A formal name used in source code to refer to a variable, function, procedure, package, etc. or in an operating system to refer to a process, user, group, etc. 

  • A primary key. 

  • Someone who identifies; a person who establishes the identity of someone or something. 

  • A guidebook that helps determine the specific class of an object (such as a mushroom, herb, fish, bird, drug, or mineral), or its individual identity (such as that of a star). 

  • A code that distinguishes a particular element from all other elements in a document. 

How often have the words description and identifier occurred in a corpus of books? (source: Google Ngram Viewer )