This is the 732nd most frequent Urdu word.
آسان
Easy
Here, "آسان" is used as an adjective to describe the task as being simple or not difficult.
یہ کام بہت آسان ہے۔
This task is very easy.
In this context, "آسان" is used to imply making something simpler or more understandable.
کیا آپ یہ سوال آسان کر سکتے ہیں؟
Can you simplify this question?
Here, "آسان" is modified into "آسانی", a noun form meaning "ease", to describe the manner of completing the book.