stepped line vs headline

stepped line and headline both are nouns.

Word	Noun	Adjective	Verb	Adverb
stepped line	Yes	No	No	No
headline	Yes	No	Yes	No

As nouns, headline is a hypernym of stepped line; that is, headline is a word with a broader meaning than stepped line:

stepped line: a headline with the top line flush left and succeeding lines indented to the right
headline: the heading or caption of a newspaper article

Other hypernyms of stepped line include newspaper headline.

stepped line (noun)	headline (noun)
a headline with the top line flush left and succeeding lines indented to the right	the heading or caption of a newspaper article

stepped line (verb)	headline (verb)
	publicize widely or highly, as if with a headline
	provide (a newspaper page or a story) with a headline