The Aphorism – “Put The Horse In Front Of The Cart” – is an Idiomatic Expression which can also be classified as an Interjection, A Proverb and a Saying. Furthermore, this phrase can also be turned into a Prepositional Phrasal Verb.
However – compared to the phrase (to) “Build The House From The Ground Up” – this phrase is less-focused on the “foundational” elements of some process, and is used more to say something like…
This is indicated by the fact that one must “put the horse in front of the cart” before that one can expect to get the cart moving anywhere.
(See Also: “Build The House From The Ground Up”)
Have An Excellent Day!
(And Don’t Get Ahead Of Yourself… Or The Cart)