Well, we could ask for a lot of things. Like a definition of rhythm. So here it is:
Rhythm is all about sound. Think of it as the beat of a piece of writing, often a poem. How does language create that beat? By creating (and then riffing off of) a pattern. That pattern can be made up of any number of things—repeated phrases, a mix of stressed and unstressed syllables, periodic pauses, even rhyme. Writers use all kinds of tools to create rhythm.
Sure, it's a bit hard to define. But we promise you'll know it when you hear it. In the meantime, it might be helpful to remember what it's not: