The word 感人 is formed through a direct and intuitive combination of its two component characters: 感 (gǎn), which carries the core meaning of "to feel" or "to be moved", and 人 (rén), which means "person" or "people". Conceptually, it paints a miniature scene where an external subject, like a story, act, or scene, actively reaches out and touches the inner emotions of a person; it is something that "feels-to-people" or "moves people". The formation isn't about rules, but about placing the action (感) immediately before its human object (人), creating a compact idea of "human-affecting" that universally encapsulates anything powerful enough to stir the heart.