A long work of fiction often has complex characters. It allows for in - depth development of their personalities, motives, and growth throughout the story. For example, in 'War and Peace' by Leo Tolstoy, the numerous characters like Pierre Bezukhov and Natasha Rostova are richly portrayed and change over time.
A long work of fiction can cover a wide range of themes. It can explore deep human emotions, social and political issues, and philosophical ideas. 'Moby - Dick' by Herman Melville is not just about a whale hunt but delves into themes of obsession, man versus nature, and the meaning of life.
It usually has a detailed plot. There are multiple sub - plots that intertwine and contribute to the overall narrative. This keeps the reader engaged as they follow different storylines. Take 'A Song of Ice and Fire' series, where various plotlines of different families and characters merge and diverge.