Answer:
1. Texture - describes how layers of sound within a piece of music interact.
2. monophony - having a single unaccompanied melodic line.
3. homophony -having the same sound. Music. having one part or melody predominating (opposed to polyphonic).
4.Polyphony - is a type of musical texture consisting of two or more simultaneous lines of independent melody, as opposed to a musical texture with just one voice, monophony, or a texture with one dominant melodic voice accompanied by chords, homophony.
5.A round in music- is a song which can be sung by two or more groups of people.
