editor vs text editor

editor and text editor both are nouns.

Word	Noun	Adjective	Verb	Adverb
editor	Yes	No	No	No
text editor	Yes	No	No	No

As nouns, text editor is a hyponym of editor; that is, text editor is a word with a more specific, narrower meaning than editor:

editor: (computer science) a program designed to perform such editorial functions as rearrangement or modification or deletion of data
text editor: (computer science) an application that can be used to create and view and edit text files

Other hyponyms of editor include linkage editor.

As nouns, text editor is a hyponym of editor; that is, text editor is a word with a more specific, narrower meaning than editor:

editor: a person responsible for the editorial aspects of publication; the person who determines the final content of a text (especially of a newspaper or magazine)
text editor: an editor who prepares text for publication

editor (noun)	text editor (noun)
(computer science) a program designed to perform such editorial functions as rearrangement or modification or deletion of data	(computer science) an application that can be used to create and view and edit text files
a person responsible for the editorial aspects of publication; the person who determines the final content of a text (especially of a newspaper or magazine)	an editor who prepares text for publication