* Adjective: Describing something that emits light or is brightly colored.
* Example: "The fireflies created a glowing spectacle in the night sky."
* Present participle: Describing an action that is ongoing.
* Example: "The child was glowing with excitement after receiving a new toy."
* Gerund: Acting as a noun, referring to the act of emitting light or being brightly colored.
* Example: "The glowing of the embers was mesmerizing."
So, to determine the correct part of speech, you need to consider the context of the sentence.