One key element is the transformation of Bella's character. She goes from the rather passive Bella in the original story to a more assertive and dominant one. For example, she might take charge in dangerous situations instead of waiting for others to save her.
Another element is the emotional connection. Despite Carlisle's dominance, there's a deep emotional bond between him and Bella. In some fanfictions, this is shown through Carlisle's internal struggle. He wants to protect her but also respects her free will. So, he has to balance his dominant nature with his love for her. It makes for a complex and interesting relationship.
In these fanfictions, Emmett's dominance often shows in his protectiveness. He'll be very quick to step in front of Bella when there's danger. For example, if there's a threat from another vampire or some other supernatural force.
One common theme is protection. Sam being dominant often means he's protecting Bella from the supernatural threats in their world, like vampires or other werewolves. Another theme is the power dynamic in their relationship, how they navigate Sam's dominant role and Bella's more human and sometimes vulnerable position.
Another element is the exploration of their characters. Bella's reaction to Jasper's dominance can show different aspects of her personality. She could be submissive at times, or she might challenge him, which makes for a complex relationship. In some fanfictions, this relationship also affects how they interact with other characters in their world.
A dominant Jacob is usually in touch with his alpha side. This means he has a natural leadership quality. He can command respect from others in the fanfiction world. And when it comes to Bella, this leadership translates into him guiding their relationship in a way that he believes is best for both of them. He may be more confident and self - assured, which can be both appealing and a source of conflict in the relationship with Bella.
Love and loyalty are also common themes. Despite the dominant - submissive aspect, the love between them is usually a central focus. They often have to prove their loyalty to each other in the face of other vampires or various threats. In some fanfictions, this is tested by external forces trying to break them apart.
In 'bella dominant fanfic', one characteristic is that Bella often shows strong leadership. For example, she might lead a group of characters through a difficult situation.
One popular 'dominant Carlisle and Bella fanfiction' is 'Twilight's Alter Ego'. It presents a different take on their relationship, with Carlisle showing a more dominant protective side towards Bella.
One great dominant Emmett and Bella fanfiction is 'Emmett's Claim'. It shows Emmett being protective and dominant in a very sweet way, with a lot of interaction between him and Bella that's full of emotion.