Is will depend upon the context. For example: The waltz is a ballroom dance. Ballroom dancing is comprised of many styles of dance. Please provide some examples.
Thanks. For example, I'd like to learn ballroom dance/ ballroom dancing this semester. In addition, we got huge damage. because of the flooding / the flood. Come to think of it, this is the same issue about usage of "rain and raining" I still do not know well. Thank you very much.
Here are some more examples: I would like to learn ballroom dancing this semester. (The course is made up of several different dances, all of which are referred to as "ballroom dancing") Last July, a flood caused great damage to the city. Heavy rain caused severe flooding of the city. It was raining when we landed in New York. The rain lasted 48 hours.