This is the 17519th most frequent Turkish word.
i̇çler
"İçler" means "interiors" or "insides" in English.
Here, 'içleri' refers to the insides or interiors of the pictures, used in plural form indicating possession.
Bu resimlerin içleri tamamen dolu.
The insides of these pictures are completely filled.
Here, 'içleri' metaphorically signifies the inner aspects or essence of the story, applied in a figurative manner.
Bu hikayenin duygusal içleri beni etkiledi.
The emotional depths of this story affected me.
In this case, 'içlerini' refers to the contents or inner parts of the boxes, suggesting a direct, physical sense of the word.