copy vs plain text

copy

noun
  • The text that is to be typeset. 

  • The text of newspaper articles. 

  • Writing paper of a particular size, called also bastard. 

  • The output of copywriters, who are employed to write material which encourages consumers to buy goods or services. 

  • The result of copying; an identical duplicate of an original. 

  • A school work pad. 

  • A printed edition of a book or magazine. 

  • The result of gene or chromosomal duplication. 

  • An imitation, sometimes of inferior quality. 

  • A gender-neutral abbreviation for copy boy. 

verb
  • To produce an object identical to a given object. 

  • To give or transmit a copy to (a person). 

  • To place a copy of an object in memory for later use. 

  • To imitate. 

  • To receive a transmission successfully. 

plain text

noun
  • Text or any data that is to be encrypted (as opposed to ciphertext). 

  • Data which consists only of human-readable text, as opposed to machine-readable binary data or formatting markup. 

adj
  • Consisting only of plain text. 

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