This is the 374th most frequent Japanese word.
値段
Price.
In this sentence, '値段' (nedan) is used to refer to the general price level of items in a particular store.
この店の値段は高いです。
The prices at this store are high.
Here, '値段' specifies the price of a specific product being inquired about.
この商品の値段はいくらですか？
How much is the price of this item?
In this usage, '値段' is used in the context of price changes happening in a market.