The document discusses several topics related to second language acquisition, including: 1) Ausubel's theory that new learning builds on prior knowledge through observation and recognition of concepts we already have. 2) Eight types of learning in the second language process including signal learning, stimulus-response learning, and concept learning. 3) Factors that influence second language learning such as transfer, interference, overgeneralization, inductive/deductive reasoning, and aptitude. 4) Different theories of language teaching including audiolingualism, suggestopedia, the silent way, total physical response, and the natural approach.