This is the 248th most frequent Indonesian word.
sisi
"Side"
In this sentence, 'sisi' refers to an abstract perspective or aspect of a situation.
Kami harus melihat sisi baik dari situasi ini.
We should look at the good side of this situation.
Here, 'sisi' is used to describe a specific area of a physical object, in this case, a mountain.
Sisi gunung itu penuh dengan pepohonan.
That side of the mountain is full of trees.
Here, 'sisi' is used to denote a physical location, specifically the side or edge of an object, like the window.