In the simplest way to put it, Information Systems is “information in a system”. However, with more context, information systems allow for not only the recording of important information, but also the deliverance of it for the support of improvement of society who uses it through its management.

Reference:

Caballero, R. D. (n.d.). Understanding Health Information Systems [PowerPoint slides]. Institute of Clinical Laboratory Sciences, Silliman University. https://drive.google.com/file/d/1NdYf-Rh0w1dV5xq2MgijhgdaPW6JmNEV/view?usp=sharing