of
1. [ pronoun ] preposition used to indicate content or composition
Examples:

"Here is a glass of water."

2. [ pronoun ] preposition, indicating origin
Synonyms: from since by
Examples:

"He is from Barcelona."

3. [ pronoun ] preposition
Synonyms: about over for regarding concerning
Examples:

"What do you know regarding this accident?" "Tell me about your day." "We know little concerning his later life." "He feels concern for his wife." "Do you have any news of the explosion?" "We should not quarrel over details."

Similar spelling:   Ofo
  off