This is the 748th most frequent Japanese word.
豊富
Abundant; plentiful.
豊富 (Houfu) conveys that she has a plentiful knowledge, indicating a vast amount of information.
彼女は知識が豊富で、多くのことを知っています。
She is knowledgeable and knows about many things.
豊富 (Houfu) is applied to show that the library holds a wide variety and an abundant collection of books.
図書館には様々なジャンルの本が豊富に揃っています。
The library has a rich collection of books from various genres.
豊富 (Houfu) is used here to describe the region as being rich or abundant in natural resources.