This document discusses different aspects of language learning and acquisition. It outlines two pathways: DECPRO, which involves starting with declarative knowledge and proceduralizing it; and PRODEC, which starts with procedural knowledge and declarativizing it. The document also discusses combining formal and informal instruction, adding learning to acquisition and vice versa. Automization and restructuring are presented as important processes in developing language skills. Both declarative and procedural knowledge and classrooms are important to consider in teaching methods.