A symbol of direction, length, or distance

Hello darlings! could anyone explain to me what exactly this means? i can't understand exactly what my school is asking of me oof i've read the lesson over and over and i'm still confused. create your own nontraditional artwork. you might choose installation art, environmental art, or use an unconventional medium.

Which style of polyphony uses a borrowed chant and arranges several new melodies and texts above and unrelated to the chant?

So my science teacher said anything that makes noise can in a way make music, instruments make music, and mayonnaise makes sound. so i have a question, do not report. is mayonnaise a instrument?