This is the 1360th most frequent Dutch word.
schat
Treasure; darling.
In this sentence, 'schat' is used as a term of endearment, meaning 'sweetheart' or 'darling'.
Mijn schat, hoe was je dag?
My darling, how was your day?
Here, 'schat' refers metaphorically to a 'treasure,' used to indicate an abundance of something valuable, like information.
Ik heb een schat aan informatie gevonden in dat boek.
I have found a wealth of information in that book.
In this context, 'schat' denotes a literal 'treasure,' typically associated with valuable items like gold or gems.