From WordNet (r) 3.0 (2006) :
text editor n 1: an editor who prepares text for publication [syn: copy editor, copyreader, text editor] 2: (computer science) an application that can be used to create and view and edit text filesFrom The Free On-line Dictionary of Computing (30 December 2018) :
text editorA utility program for creating and modifying text files. This differs from a word processor in that the word processors often embed special control codes or escape sequences in the file to control formatting. (1996-11-15)