This is the 3871st most frequent Japanese word.
エリ
"エリ" (eri) means "collar" in English.
In this sentence, 'エリ' refers to the collar of a shirt, highlighting cleanliness.
彼女のエリはとても清潔です。
Her collar is very clean.
Here, 'エリ' is used to discuss the design aspect of a shirt's collar.
そのエリのデザインはユニークですね。
That collar's design is unique, isn't it?
In this context, 'エリ' signifies the physical part of a jacket being straightened or adjusted.