Since we don't know the details of the 'estimation secret story', it's hard to say who is involved. It could be businesspeople if it's about financial estimations. Maybe it involves a group of scientists if it's related to estimating experimental results.
The significance of the 'secret estimation story' might be to gain an edge. By keeping estimations secret, one can avoid others using that information against them.
I'm not sure specifically what the 'estimation secret story' is without more context. It could be about making estimations in a secretive or special way, perhaps related to a business's internal estimation of costs or resources that they don't want competitors to know.
The 'secret estimation story' could be about making estimations in a covert or undisclosed manner. For example, in a business context, it might refer to secretly estimating the cost of a new project to gain an advantage over competitors. It could also be related to personal estimations, like secretly estimating how much someone has saved for a big purchase.
In the 'sofia secret story', Sofia is surely involved as it's in her name. There could be other characters too. Maybe her best friend who has shared in her secrets, or an acquaintance who has unknowingly played a part in the story. It could also involve a romantic partner if the story has elements of love and relationships.
Since we don't know the details of the 'angie secret story', it's hard to say exactly who is involved. But surely Angie herself is involved. There might also be her friends, family members, or people she met during a particular event that are part of the story.
Since we don't know much about the 'Cyril Secret Story', it's hard to say who is involved. But, most likely, Cyril himself is involved. There might also be his family members, friends, or people from his community depending on the nature of the secret.
Since it's called 'geof secret story', it's likely that Geof is directly involved. He could be the main character or the narrator of the story.
The key figure is Aurelie. But depending on the nature of the story, it could involve her childhood friends who share in her secrets. If it's a love - related story, then her romantic partner would be involved. It could also involve a mentor or a teacher who had an impact on her and is part of the events that make up this secret story.
Since I don't know the exact 'tara secret story', it's hard to say who is involved. But it could be Tara herself, of course, and perhaps her family members if it's a family - related secret. Maybe her friends or colleagues if it's about a work - or social - related situation.
Since we don't know much about the 'nissy secret story', it's hard to say who is involved. But it's likely that Nissy is the central figure. There could also be friends, family members, or acquaintances of Nissy in the story depending on what it's about.