data vs text file

data

noun
  • Recorded observations that are usually presented in a structured format. 

  • A representation of facts or ideas in a formalized manner capable of being communicated or manipulated by some process. 

  • Information, especially in a scientific or computational context, or with the implication that it is organized. 

text file

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

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

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