Answer :
Subtitles is the features provide additional information about details in a text. A subtitle is an explanation or variant title in books and other works. Mary Shelley, for example, named her most renowned novel Frankenstein.
What is Subtitles?
A secondary or illustrative title a printed remark or snippet of dialogue that appears on the screen between scenes of a silent motion film or as a translation at the bottom of the screen during scenes of a foreign language motion picture or television show.
Thus, option A is correct
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Answer: B. footnotes and endnotes
Explanation: Took the edge test.