Visual Design
It is important to communicate your ideas clearly, verbally and in written form. As people nowadays accept you for a job also on how well you are communicating. Communicating clearly is very important because when you don't talk clearly, people won't understand what you are trying to say. For instance, lets say that you had a presentation to present to your client and you didn't speak clearly, then they might get bored and might not like it. But if you speak clearly they will get interested and will understand whatever your trying to say.