Since we don't have much context, she could be anyone. She might be an ordinary girl with a passion for the sea, or a character created to represent the relationship between humans and the ocean.
The significance could be to inspire. It might show the courage of the young woman in the face of the vast and often unpredictable sea. True stories often carry a sense of authenticity that can encourage readers or viewers to find their own strength in difficult situations.
The main character is the young woman, of course. Since the title focuses on her and the sea, she is likely to be the central figure around whom the story revolves.
The 'young woman and the sea story' could be a story of a young woman's struggle against the sea. For example, she might be on a ship that gets caught in a terrible storm. She has to use her wits and courage to survive. It could also involve her emotional journey as she battles her fears and insecurities while being at the mercy of the vast and powerful sea.
Well, it depends on the specific 'Young Woman and the Sea True Story' you are referring to. There are likely many works with this title or similar themes. Some may be based on true events, while others might be fictional works inspired by the idea of a young woman and the sea. If it is a well - known story, it's quite possible it is based on a real story, perhaps of a fisherwoman, a sailor, or someone who had a life - changing experience at sea.