This is the 1994th most frequent Spanish word.
arenas
"Sands."
In this sentence, 'arenas' refers to natural sand found in a desert, representing the plural form of 'arena' which means sand.
Las arenas del desierto son muy calientes durante el día.
The sands of the desert are very hot during the day.
Here, 'arenas' metaphorically refers to performance spaces or stages, derived from the earlier usage denoting enclosed spaces where events took place.
Las arenas del espectáculo buscan impresionar al público.
The stages of the show aim to impress the audience.
In this context, 'arenas' is used in the compound term 'arenas movedizas' which means quicksands, maintaining its literal meaning while specifying a particular type of sand.