If you can’t explain what you do to a grandparent or child, I’m not sure you really know what you do either…
Now, you know how conductors twitch their batons and give directions to various musicians and sections of musicians? That's a kind of dance. "devops" means talking to the devs and the operators and writing choreography for that dance, to be performed by another computer system. Then you watch the conductor's dance and make sure that the conductor is doing the right moves at the right time and the musicians are properly playing the symphony.