This is the 2045th most frequent Japanese word.
並べ
"並べ" (narabe): to arrange or line up.
Here, "並べ" is used to describe the action of arranging items in order.
机の上に本を並べました。
I arranged the books on the desk.
In this context, "並べ" pertains to organizing products in a display or order.
お店の棚に商品を並べるのは大変です。
Arranging the products on the store shelves is hard work.
"並べ" here refers to placing items (chairs) in a row or position side by side.