Complex sentence: Literary fiction is a term principally used for fictional works that hold literary merit, that is to say, they are works that offer deliberate social commentary, political criticism, or focus on the individual to explore some part of the human condition.
Split into simpler sentences: Literary fiction is a term principally used for certain fictional works that hold literary merit. In other words, they are works that offer deliberate social commentary, political criticism, or focus on the individual to explore some part of the human condition.