Homonym: While (Duration)
The word "while" is a conjunction used to indicate that two events are happening at the same time. For example, you might say, "I read a book while listening to music." In this sentence, both actions occur simultaneously, showing a relationship between them.
Additionally, "while" can also introduce a contrast between two ideas. For instance, "While cats are independent, dogs often seek companionship." Here, "while" highlights the difference in behavior between the two animals, emphasizing their unique characteristics.