The term 'episodic' is used to describe something that occurs in separate parts or episodes. This can be seen in the crossword solutions given, such as 'DISCURSIVE' (10 letters), which means to move from one topic to another, 'SPORADIC' (8 letters), which means occurring at IRREGULAR intervals, 'INCIDENTAL' (10 letters), which means happening by chance, 'SERIAL' (6 letters), which means occurring in a series, 'IRREGULAR' (9 letters), which means not following a pattern, and 'OCCASIONAL' (10 letters), which means happening from time to time. All of these words describe something that happens in separate parts or episodes, making them all applicable to the term 'episodic'.