It creates the feeling of mystery. By drawing out or stretching the suspense for the reveal of true identity, the writer is able to tap into the imagination, curiosity and the feeling of the readers as they continue to formulate their own theories and hypothesis to satisfy their curiosity. An effective way in literature to keep readers invested.
Answer:
I have locked the door now
Mary is opening the window
Fred and Ben are eating sandwich
You are laughing at me
Mr Smith is wearing a blue shirt
Ben have payed $20 for the lunch
The process of studying your subject from many angles is called cubing.