The significance of the 'dr gay story' depends on its content. If it's a story about a Dr. Gay who made great contributions to research, say in finding a cure for a disease, then its significance lies in the impact on the medical field and the patients who will benefit. If it's more of a personal growth story, it might be significant for those who are on a similar journey of self - discovery.
Dr Foster is purely fictional. The plot and characters are crafted by the writers' imagination rather than being based on real events or people. This allows for more creative freedom and dramatic elements to be incorporated into the story.
It is indeed a true story. The show or whatever it is you're referring to draws inspiration from actual happenings and real people involved in those circumstances.
Dr Zhivago is not a true story. It's a work of fiction that might draw on certain historical or social contexts, but the characters and events are fabricated for the purpose of the narrative.
Dr. Foster is not based on a true story. It's a fictional drama crafted by the writer's imagination. The plot and characters are made up to engage and captivate the audience.