Here are some common reasons for italicizing text:
* Titles of books, movies, plays, albums, etc.
* *The Great Gatsby*
* *The Lion King*
* *Abbey Road*
* Names of ships, trains, aircraft, and spacecraft.
* *Titanic*
* *Orient Express*
* Words or phrases from other languages.
* *ad hoc*
* *c'est la vie*
* Emphasis on a particular word or phrase.
* I *really* enjoyed the concert.
* Scientific names of organisms.
* *Homo sapiens*
Italicizing is a way to distinguish certain text from the surrounding text and provide specific information about its purpose.