1. Noun: This is the most common usage. "Title" refers to the name given to a book, song, movie, etc.
* Example: "The *title* of the book is 'The Great Gatsby'."
2. Verb: "Title" can mean to give a name or title to something.
* Example: "The committee *titled* the project 'Operation Sunshine'."
3. Adjective: Less common, "titled" can be used as an adjective to describe something that has a title.
* Example: "The *titled* gentleman bowed to the crowd."
4. Prepositional Phrase: "In title" can be used as a prepositional phrase meaning "in name only."
* Example: "He was the king *in title* but had no real power."
It's important to consider the context of the sentence to determine the correct part of speech for "title."