This is the 10858th most frequent Spanish word.
despacio
Slowly.
In this sentence, 'despacio' is used as an adverb to indicate the manner in which the action of speaking should be performed—slowly.
Por favor, habla despacio para que pueda entenderte mejor.
Please speak slowly so that I can understand you better.
Here, 'despacio' is employed as an adverb to describe the pace at which the car was advancing—slowly—due to the traffic.
El coche avanzaba muy despacio por el tráfico congestionado.
The car was moving very slowly through the congested traffic.
In this instance, 'despacio' serves as an adverb to suggest a slow pace for walking, facilitating the enjoyment of the surrounding landscape.