Compton Drag in cosmology refers to the interaction between photons and matter, affecting the motion of cosmic structures. Participants are encouraged to share relevant reading materials and specific questions to facilitate a deeper understanding. The discussion is aimed at an undergraduate level, as indicated by the thread's "I" prefix. Clarifying educational background helps tailor the conversation to the appropriate complexity. Engaging with these elements will enhance the exploration of Compton Drag and its implications in cosmology.