This document discusses the importance of disciplinary focus in an interdisciplinary world. It makes three key points about the importance of disciplinarity: 1) interdisciplinarity is built upon strong disciplinarity, 2) disciplines are at the heart of teaching and research, and 3) disciplines are fundamental to many academics' professional identities. It also discusses how disciplines can be viewed as nodes in a web of scholarship and how teaching and research are interconnected through academic disciplines.