4.feedback

Feedback is a way of communication between the user and the system in terms of sound, color, words or action. Failure to acknowledge an interaction, or provide feedback that is not noticed, can lead to unnecessary repetition of actions, mistakes, and errors.This feedback is important because to let users know what is happening and what to do next.

Suggest a better design for the bad product or interface

In my opinion yahoo website needs to improve in terms of content arrangement on the website so that it is not compact and do not hide the important information. Next, it is necessary to use a lot of icons on the website so that it is easy for the user to identify the information displayed without using words.