あります for things, います for living beings — the existence verbs that power descriptions of any scene. With だけ and the か／も indefinites you can say exactly what's there and what isn't.
At the park.
Tap a line to hear it. Shadow mode leaves a gap after each line — repeat it aloud, then hear it again. Don’t worry about being perfect; worry about being out loud.
A baby with arms out and a swaddled tail — a child.
A trunk with drooping branches — a tree.
Two roads running side by side — going somewhere.