Final answer:
The question relates to high school level English, focusing on literary analysis of character interactions, identity recognition and the use of dialogues as storytelling devices.
Step-by-step explanation:
The question seems to be from an English literature context, with references to characters and dialogue. These lines could belong to either novels or plays where characters express awareness of another person's presence or identity, often through indirect observation such as a woman's shadow on the wall or recognitions based on past encounters.
The dramatic element here indicates that these excerpts likely explore themes of identity, perception, and sometimes the supernatural or psychological states which are common in English literature.
The lines suggest scenarios where characters are questioning, discovering, or confronting something or someone that is not immediately obvious. The sub-pattern behind the wallpaper, the questioning of a person's past actions, and the interactions suggesting a narrative progression are examples of literary devices used to create tension and depth in storytelling.
Literary analysis of these dialogues typically includes understanding character development, thematic elements, and the broader context within the work.