I've been using #AnnotatedEquations in my recent papers. I think it really adds to the readability and understanding of the math.

Here are some examples. It uses #tikz in #latex.

Let me know if you like it. Happy for any feedback.

There is a latex package that makes it easier to use as well and also visually appealing since it normalizes the heights of the various boxes.

Check it out! Thanks to Twitter user @\scien_ti_st for doing all the hard work to convert my ideas to the latex package.

See the difference!

@sibin I love this. Both aesthetically pleasing and helps the reader. We do this in equations in talks, never thought of having it in the paper too!
@Yael thanks! Hope it helps in the paper too.