* Verb (past tense): This is the most common use, meaning to make a sound by vibrating, like a bell or phone.
* Example: The phone rang at 3 am.
* Noun: This is less common and refers to a sound made by vibrating.
* Example: The rang of the church bells echoed through the valley.
The context of the sentence will usually make it clear which part of speech "rang" is acting as.