The Primary Principles of UI Design of a Desktop System

Multiple Choice

The primary principles of UI design of a desktop system include principles which also generally apply to other types of devices. Which of the following principles is NOT an important guideline when considering the layout and format of a particular screen.​

A) Each screen should have a primary purpose.
B) ​Controls on a screen should be grouped by related function
C) Grammar and spelling should be correct.
D) ​Dark colors should be avoided.