This is the 671st most frequent Arabic word.
لديهم
"They have."
The word "لديهم" is used to indicate possession, showing that 'they' own or have books in the library.
لديهم كتب كثيرة في المكتبة.
They have many books in the library.
Here, "لديهم" expresses that 'they' possess free time, highlighting availability rather than physical objects.
لديهم وقت فراغ بعد المدرسة.
They have free time after school.
In this case, "لديهم" conveys possession of an abstract quality, showing that 'they' possess a capability or skill.