text file

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun computing A simple data file containing only plain, human-readable text, distinct from documents with embedded formatting
• noun this sense?) (computing) A simple data file in a character encoding that allows it to be read in a simple editor: usually, seven-bit, as opposed to containing raw binary data.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun (computer science) a computer file that contains text (and possibly formatting instructions) using seven-bit ASCII characters