This document introduces a course on linguistics for language learners. It discusses why students are taking the course and what they will learn. The course will explore topics like phonetics, phonology, morphology, syntax and how they apply to language acquisition and language contact/change. It will focus on these concepts for English, Spanish, French, German and Japanese. Students are encouraged to think about how the material can help them better understand the language they are studying. The class will involve active learning techniques like discussion, activities and application of the concepts rather than lectures.