Final answer:
The implied main idea of the selection is the benefits of fan fiction for authors, which includes the ease of creating new plots and the supportive environment found within fan fiction communities.
Step-by-step explanation:
The implied main idea of the selection provided about fan fiction, or fan-fic, is the benefits of fan fiction for authors. This idea encompasses multiple aspects described in the text such as the ability of fan-fic writers to explore different genres without the need to create entirely new worlds, thereby allowing them to focus on new plotlines and storylines. It also outlines the supportive environment found in fan fiction communities that offers constructive feedback and fosters growth among writers and readers.
Fan fiction allows writers to experiment with different styles, representing a platform where a historian might try their hand at a murder mystery or science fiction tale. The nurturing aspect of fan fiction communities is also emphasized, highlighting the positive nature of feedback and the strong sense of community amongst participants in these forums. This genre offers a space for creative expression that is valued and supported by its audience.