This is the 9307th most frequent Spanish word.
adheridas
"Adheridas" means "attached" or "stuck."
In this sentence, 'adheridas' is used as a past participle describing the state of the items being attached or stuck to the wall.
Las piezas adheridas a la pared se cayeron con el temblor.
The items stuck to the wall fell down during the earthquake.
Here, 'adheridas' signifies the stickers being affixed or attached to the notebook.
Encontré unas pegatinas adheridas a mi cuaderno antiguo.
I found some stickers stuck to my old notebook.
In this context, 'adheridas' refers to properties associated or linked to the agreement.