Which concept involves the use of specialized applications for targeted groups of users within health informatics?

The concept that involves the use of specialized applications for targeted groups of users within health informatics is niche applications. These applications are designed to meet the specific needs of particular groups, such as healthcare professionals, researchers, or specific patient populations. By focusing on a limited scope, niche applications can provide tailored features and functionalities that enhance user experience and efficiency.

For example, a niche application might be developed for a specific type of healthcare provider, like physical therapists, providing them with tools that address their unique challenges and workflows. This specialization allows for better integration of the application into the user's daily routines, improving overall effectiveness and outcomes.

In contrast, general applications, universal applications, and data management systems serve broader or different purposes. General applications are designed for a wide range of users without specific tailoring to niche needs. Universal applications would aim to be applicable in any situation or for any user, lacking the specialized focus necessary to address unique requirements. Data management systems, while essential for handling large amounts of healthcare data, do not inherently provide targeted solutions for specific user groups. Thus, the strength of niche applications lies in their ability to cater specifically to the distinct demands of targeted users in the health informatics field.