This is the 2005th most frequent Japanese word.
シャツ
Shirt.
Here, 'シャツ' represents the category of clothing, showing its use in a collective sense.
その店はシャツの種類が多いです。
That store has a wide variety of shirts.
Here, 'シャツ' refers to a generic shirt being described by its color.
これは青いシャツです。
This is a blue shirt.
In this sentence, 'シャツ' is used as an object of the action 'to buy', emphasizing its utility in expressing actions involving the garment.