The Technological Pedagogical Content Knowledge or TPACK is a model instructional designers can use to organize their different knowledge domains. This helps them to ensure they are continuously developing and integrating aspects of all of these domains into their educational design. It also allows teachers to self-evaluate their own levels of knowledge for each domain in order to better choose professional development opportunities. As shown in the diagram from matt-koehler.com, the TPACK model has seven major components: Technological Pedagogical Knowledge (TPK), Technological Knowledge (TK), Technological Content Knowledge (TCK), Content Knowledge (CK), Pedagogical Content Knowledge (PCK), and Pedagogical Knowledge (PK), and Technological Pedagogical Content Knowledge (TPACK). Along with aiding teachers' understanding of their areas for needed development, the TPACK model aides educational designers in planning and integrating effective, engaging, and efficient technology usa...