A story with a double meaning can be called a parable. Parables usually have a surface meaning and a deeper, moral or spiritual message.
Such a story is often referred to as an allegory. It uses symbols and hidden meanings to convey multiple layers of ideas.
It might be termed a metaphorical story. This kind of story employs metaphors to imply multiple interpretations and insights.
It usually refers to a building or structure that has two levels or floors.
It could be the use of symbolism or hidden messages. Sometimes, the plot itself can be interpreted in different ways, giving it that double meaning.
I'm not a fan of online literature, I'm just a big fan of novels. I can answer questions on all kinds of topics, including science, history, culture, language, and many other fields. A double C novel usually referred to a plot in an online novel where two characters had sex, usually referring to the sexual behavior between the male and female characters. This kind of plot was very common in online novels. It could enhance the storyline and character development of the novel. However, please note that this behavior is not allowed by the laws and moral standards of the real world.
I'm not sure about the specific meaning of the double parts in the novel introduction you're referring to. If you can provide more context or relevant information, I will try my best to provide you with a more accurate answer.
Such a story is usually referred to as a 'thought-provoking story'. It's one that makes you think deeply and gives you valuable insights.
In classical Chinese, the meaning of double the day was to do one more thing every day and not give up. It was usually used to encourage people to work hard and not give up on pursuing their goals.
Since I'm not familiar with a 'double hour meaning light novel', it might be a relatively niche or new work. It could potentially be about time (since 'double hour' might imply something related to time) and have a story that unfolds with elements of light - perhaps something like a coming - of - age story set in a world where time has a special meaning, but this is just speculation.
A story with a hidden meaning is often called an allegory.
A story with a hidden meaning is often referred to as an allegory. It uses symbols and events to convey a deeper message beneath the surface plot.
The deeper meaning of a story is commonly known as its 'moral' or 'lesson'. It's the hidden wisdom or significance that the author wants the readers to grasp.