This is the 5022nd most frequent Spanish word.
escalera
Staircase; a series of steps for going up or down.
In this sentence, 'escalera' specifically refers to a wooden ladder potentially used as part of recreational equipment in the park.
La escalera del parque es de madera.
The ladder in the park is made of wood.
In this context, 'escalera' refers to a set of stairs used for ascending between floors.
Subí la escalera para llegar al segundo piso.
I climbed the staircase to reach the second floor.
Here, 'escalera' denotes a portable ladder used to reach elevated areas.