This glossary offers explanations and definitions rooted in classroom practice, in the Ontario FSL curriculum as well as in the Common European Framework of Reference for Languages (2001). This work is unique in that the goal is to provide detailed definitions so that teachers and teacher candidates can make clear connections between the theoretical influences of the CEFR on the Ontario FSL curriculum and their teaching practices. This glossary aims to be more meaningful and intentional in the practical element for beginning teachers however, it is applicable to anyone.