This is the 2130th most frequent Spanish word.
corriendo
"Running."
'Corriendo' is used as a present participle, indicating an ongoing action.
Estoy corriendo todas las mañanas para mantenerme saludable.
I am running every morning to stay healthy.
'Corriendo' describes the action of the dog in the scene, functioning descriptively.
Vi a un perro corriendo por el parque.
I saw a dog running through the park.
Here, 'corriendo' metaphorically expresses continuous movement or being hurried.