This is the 2759th most frequent Japanese word.
装飾
Decoration.
In this sentence, '装飾' is used as a noun referring to the decorations or adornments present in a space.
この部屋の装飾はとても華やかです。
The decorations in this room are very splendid.
Here, '装飾' is the object in the sentence, referring to the action of decorating or adding embellishments to an item.
彼は自分の作品に特別な装飾を施した。
He applied special decorations to his work.
In this case, '装飾品' derived from '装飾' represents tangible decorative objects, indicating its usage as part of a compound noun.