The middle of the sentence or after it states what's happing in the story your reading
It is correct but you could use words that people would more understand.
If you were referring to groceries or things you buy from the store, you could say:
He left all his items on the bus.
He left all his groceries on the bus.
(<em>Your answer is great this is just a suggestion) </em>
An acronym is an abbreviation formed from the initial letters of other words and pronounced as a word
Oratorio - it is strictly a concert piece, not musical THEATRE (where the costumes, etc, come in)
Hope this helps.