Organised into (generally) chronological sets
e.g., a set of (one director) Satiyajit Ray films /
a set of (one actor) Shah Rukh Khan films /
a set of (non-Hindi) Marathi films (connected by common language)

Organised into (generally) chronological sets
e.g., a set of (one director) Satiyajit Ray films /
a set of (one actor) Shah Rukh Khan films /
a set of (non-Hindi) Marathi films (connected by common language)