This paper discusses the enhanced focus on second language (L2) vocabulary teaching through language corpora and word-centered approaches, emphasizing the importance of vocabulary acquisition for effective communication. It outlines theoretical and practical methods for teaching vocabulary, including explicit and implicit learning, collocations, lexical phrases, and the role of comprehension in vocabulary retention. The use of authentic texts and the availability of online language corpora are highlighted as vital resources for both teachers and learners in vocabulary instruction.