This chapter introduces the tradition of hermeneutics in philosophy and related fields, focusing specifically on applied hermeneutics. It highlights the connection between hermeneutics and phenomenology and delves into the work of Hans-Georg Gadamer, a key figure in modern hermeneutics. The chapter examines how understanding and explanation function as methodologies in the humanities and natural sciences. Special attention is given to how hermeneutics can be applied when analyzing empirical data or understanding different human professions. Additionally, the chapter explores the relationship between hermeneutics and ethics.