Holofiction was any fictional holographic program that was utilized primarily for its entertainment value, as opposed to training or education. Holographic novels were one example of this.
In 2373, Tuvok interrupted Neelix's suggestions for his and Tom Paris' next collaboration, saying that the subject matter of any future holofiction projects would not be as "close to home" as Insurrection Alpha had been. (VOY: "Worst Case Scenario")