This document discusses policy informatics and outlines its key concepts. Policy informatics explores how information and communication technologies (ICT) can support policymaking and governance by leveraging large amounts of data and analytical tools. It recognizes that ICT can help address increasingly complex social and policy problems. The document defines important terms like public policy, policymaking, governance, and policy informatics. It also outlines how ICT is used across the different phases of the policy lifecycle and provides an example of an open collaboration process and tools used in policy modeling.