This is the 3289th most frequent Korean word.
기능도
Functionality or level of capability.
The word '기능도' in this sentence refers to the functionality of the computer, with '도' emphasizing that this characteristic is added to other positive traits already mentioned.
이 컴퓨터의 기능도 매우 뛰어납니다.
This computer's functionality is also excellent.
Here, '기능도' highlights that in addition to the app's design, its functionality is superior.
이 앱은 디자인과 더불어 기능도 우수합니다.
This app has both excellent design and functionality.
In this case, '기능도' emphasizes the consideration of functionality as one important aspect among others in the discussion of priority.