lexicon vs text file

lexicon

noun
  • The lexicology of a programming language. (Usually called lexical structure.) 

  • A dictionary of Classical Greek, Hebrew, Latin, or Aramaic. 

  • A set of vocabulary specific to a certain subject. 

  • Any dictionary. 

  • A list thereof. 

  • A dictionary that includes or focuses on lexemes. 

  • The vocabulary used by or known to an individual. (Also called lexical knowledge.) 

  • The vocabulary of a language. 

text file

noun
  • A data file in a character encoding that allows it to be read in non-specialised text editor. 

  • A data file containing only plain, human-readable text, distinct from documents with embedded formatting 

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