落 (luò): To fall, to land, to drop. A common image for this character is leaves falling from a tree (落叶, luòyè).
地 (dì): The ground, the earth, the floor.
灯 (dēng): Lamp, light, lantern. The radical on the left, 火 (huǒ), means “fire,” indicating its original connection to providing light through flame. The right part, 丁 (dīng), primarily provides the phonetic sound.
How they combine: The first two characters, 落地 (luòdì), form a compound word meaning “to land” or “to touch down,” like an airplane landing. When you add 灯 (dēng), you get a lamp that “lands on the floor.” The logic is straightforward and visual, making it an easy word to remember once you know the component parts.