Answer:
Completed thought
Step-by-step explanation:
The sentence, "Flora flew a yellow kite" is a completed thought because it has a subject, a verb, contains a clause and ends with a punctuation mark which was a period in this case.
It is not a subject because a subject is the performer of the action in a sentence, and it is also not a verb because a verb is an action word, however, it contains a subject and a verb and contains a completed thought.