soon is an adverb that means in a short time from now, or shortly.
Common usages of soon include:
1. "See you soon!" - A casual way to say goodbye
2. "Coming soon" - Used for upcoming events or releases
3. "As soon as possible" - Expressing urgency
4. "Too soon" - Something happening before the appropriate time
5. "Sooner or later" - Eventually, at some point in the future