😊
🙂
😄
😃
😀
💡 This emoji usually represents a light bulb. A light bulb is an object that emits light, so this emoji often symbolizes inspiration, creativity, ideas, trains of thought, etc. For example, when expressing that a novel idea suddenly occurs or a train of thought is enlightened, this emoji can be used.
I suddenly had a great idea 💡
The solution to this problem lies right there 💡