This is the 314th most frequent Spanish word.
posición
Position.
In this sentence, 'posición' refers to the physical or geometric placement or orientation of the moon.
La posición de la luna influye en las mareas.
The position of the moon influences the tides.
Here, 'posición' is used to describe a stance or viewpoint someone holds on a particular issue.
Ella siempre se mantuvo firme en su posición respecto al tema.
She always remained firm in her position on the topic.
In this context, 'posición' refers to the posture or body alignment that someone should maintain.