This is the 4143rd most frequent Japanese word.
リッチ
"リッチ" means "rich" or "luxurious" in English.
In this sentence, 'リッチ' is used metaphorically to describe the dessert's flavor as deep and luxurious.
このデザートはリッチな味わいだ。
This dessert has a rich flavor.
Here, 'リッチ' is used as an adjective to describe someone who is wealthy.
彼はとてもリッチな人だ。
He is a very rich person.
'リッチ' is utilized to characterize the decorations as elaborate and lavish.