At school, among many inspirational teachers with whom I was blessed, one of my music teachers explained the ABA form of da capo arias in the baroque like this:

It’s like someone going,

I went into the garden today and picked an apple.
God it was delicious.
I went into the garden today and picked an apple. 

Even much later, when I learned that in HIP renditions the da capo A section might be boldly varied on the repeat—like

I went into the garden today, falala, and picked an apple, falala,

it still didn’t seem very impressive.