Complex sentence: The word "action" also refers to "the events represented in a story or play: the action is set in the country" ("New Oxford English Dictionary "), and"action" is one of the modes of fiction.
Split into simpler sentences: The word "action" also refers to "the events represented in a story or play: the action is set in the country" ("New Oxford English Dictionary "). And"action" is one of the modes of fiction.