In music theory, what is an arpeggio?

Arpeggio is an musical technique that can be expressed in many styles. The music theory term arpeggio, knwon as the broken cord.  It shows how one note can be played after another or at the same time.

<Hope it helped!~❤️>

for those of you who searched "which list includes four types of animal-like protists? " and keep getting these results, the answer is c: flagellates, sarcodines, ciliates, parasites

i'm not too sure - if you could attach the picture