What is the reason for taking care of design agood computer-human interfase?

to improve the experience of users who are not computer professionals  

Explanation:

The human-computer interface is a multidisciplinary area of study focused on the design, execution, and assessment of user-friendly technologies aimed at enhancing the interaction between humans and computers. In health management programs, a good interface can both improve the quality of the user’s health life and increase health system productivity. It is a multidisciplinary area that takes into consideration different fields including social psychology, cognitive psychology, social psychology, communication technologies, graphic design, linguistics, etc. In health systems, human-computer interfaces must take into account the objectives of health care systems, i.e., clinical care, self-management, population health, medication administration, electronic health records, patient portal, etc.

precisely the author keeps the interest of readers not describing clearly the   kind of relationship in giselle's family. by doing this, readers had to imagine and assume how it was.   instead, the author described better scenes with dark star and the influence of books about horses in giselle's life and actions.   also the fact that she broke her arm but not referring to it in detail leads the readers to imagine and guess what could have occurred.