Sure. Instagram gives you options to manage the audience for your stories. If you go to the privacy settings for your stories, you'll find ways to hide them from certain people. For example, you can choose to hide your story from individuals who you don't want to view it by going to their profile and restricting their access to your story content.
Sure, it's possible. You could, for instance, write it down and keep the paper in a safe place that no one has access to. Or you could keep it all in your mind and never mention it to others.
No. When you hide your story from specific individuals, it's intended to prevent them from seeing any related highlights. It's a way to control who gets to view your shared content.
Yes, you can. On Instagram, you can create a Close Friends list. When you post a story, you can choose to only share it with this list, which effectively blocks everyone else from seeing it.
Sure. Instagram allows you to control who can view your story. To block specific people from your story, first open the app and access your profile. Look for the privacy settings related to stories. There should be an option to select individuals or groups of people that you don't want to be able to see your story. It's a useful feature to maintain your privacy and share your stories only with the people you want to see them.
No. If you hide someone from your story, they should not be able to see it. The whole point of hiding someone is to prevent them from viewing that particular story content.