The Glossary is the heart of Impactipedia—a comprehensive, plain-language reference guide to the terms, concepts, and practices that shape the nonprofit, philanthropic, and social impact world. It’s designed to help anyone—from newcomers to seasoned professionals—quickly understand the language of doing good.

Each entry defines a term clearly and concisely, explains why it matters, and links to related concepts for deeper exploration. Together, the glossary entries form a connected map of how people, money, programs, and policies work together to create impact.

Whether you’re writing a grant, managing a program, joining a board, or simply trying to make sense of the sector, the Glossary offers a starting point for learning, context, and confident participation in the world of social change.