This is the 9069th most frequent German word.
ligen
"Ligen" is the plural form of "Liga," meaning "leagues" in English.
Here 'liegt' is used metaphorically to mean 'is about' or 'consists of'.
Die Aufgabe liegt darin, das Problem zu lösen.
The task lies in solving the problem.
In this sentence, 'liegt' describes a physical position of a person.
Er liegt auf dem Sofa und liest ein Buch.
He is lying on the sofa and reading a book.
Here 'liegt' is used to describe the geographical or physical location of a place.