For example, students meet objectives in theater (characterization, stage composition, action, expression) and in social studies.
I'm a theatre arts education major and I wish theatre was done more in the classrooms. Thinking back to when I was in elementary school, we rarely did anything with theatre. It was mostly art and music, which is great but I wish theatre was more included because it is so important.
All three variations are important, needed, and valid. All benefit from being supported by arts experiences—where students attend performances and exhibits by professional artists to engage in authentic experiences that deepen and broaden their arts understandings.
Experiencing and seeing the arts is so important because students get to see a real life example and it can help with their understanding, but it's something that they can enjoy and be inspired by