The poem is telling a story from a son of a plough farmers point of veiw And is talking about how they are explaining what it is that they do . The poem states that his dad was carrying the horse across the field and has the horse following him while also having the son follow his dad around while his dad guides the horse around the farm .The son however is constantly falling and tripping now when his dad was an old man and the son now an adult who is strong his father has now taken his place.