This glossary defines terms commonly used in second language education, including the subfields of foreign language education, bilingual education, and English as a second language. Its purpose is to minimize confusion about the use of the terms. The terms include: language/linguistic majority student; language/linguistic minority student; limited English proficient; non-English proficient; English-only; fluent English proficient; English as a second language (ESL); English as a foreign language (EFL); bilingual education; transitional bilingual program; maintenance bilingual program; pull-out program; foreign language in the elementary school (FLES); foreign language experience (FLEX); immersion education; early partial immersion; delayed immersion; late immersion; double immersion; structured immersion; two-way bilingual immersion; sheltered instruction; the Natural Approach; Community Language Learning (CLL) or Counseling Learning; Total Physical Response (TPR); Suggestopedia; Silent Way; and content-based instruction. (MSE)