Examines the dynamics of language structure and use throughout the Spanish-speaking world, and covers topics such as sound systems, grammatical structures, historical developments, language learning and loss, and dialect differences and their social significance. Three lecture hours a week for one semester. Spanish 330L and 345L may not both be counted. Prerequisite: Spanish 311 and 314, 611D, or 311J and 314J (or 612 or 312L).