The document discusses the concept of Language Across the Curriculum (LAC), which relates to linking different forms and aspects of language education within a school with an emphasis on the role of language in all subject learning. LAC has two meanings - in a narrow sense suggesting the importance of language work in all non-linguistic subjects, and in a wider sense demanding a comprehensive model of language education as the basis for a whole school language policy. The document outlines the meanings, approach, scope, significance, merits, goals of the LAC concept.