The term Informatics is used in the following areas:
Informatics (academic field), a broad academic field encompassing computing technologies and development in their diverse relations to the human and social worlds, including applications in science, social problems, and the arts
Computing, any goal-oriented activity requiring, benefiting from, or creating computers.
Computer science, the theoretical study of algorithms, information and computation.
Information science, the interdisciplinary study of the processing, management, and retrieval of information