Difference between to deliver and to send in Korean
전달하다·보내다

전달하다to deliver
To deliver means to take something to a person or place and give it there. You can use it for packages, letters, food, or even a message. In Korean, 전달하다 can also mean to pass on what someone said to another person.

보내다to send
보내다 means to send something to another person or place. You can use it for letters, messages, photos, emails, and packages. It is a common everyday word for sending things by phone, online, or by mail.
The difference
전달하다 focuses on handing something over so it reaches the person. It is often used for giving an item, message, or information directly or through someone.