_ is when you use different elements of art or different ideas

What overriding principle should guide the entire composition process? chords melody communication lyrics

Natural minor half steps between scale degrees 3 and 4; 7 and 8 harmonic minor half steps between scale degrees 2 and 3; 5 and 6 ascending melodic minor half steps between scale degrees 2 and 3; 5 and 6; 7 and 8 major half steps between scale degrees 2 and 3; 7 and 8

What is an insulae ? a) a roman building for the lower classes b) a roman building for sports c) a roman building for the wealthy