Part I. Introduction.- Chapter 1. Introduction: Reconfiguring Caspian Linguistics?A Speaker-Centered Approach to Language, Identity, and Space.- Part II. Essays.- Chapter 2. How Many Languages Are Spoken In Semnan Area?: Typology And Origins Of Komisenian Languages.- Chapter 3. Case in Caspian Languages (Gilaki, Mazandarani, Talysh, Tatic).- Chapter 4. A Cognitive Semantic Approach to Gilaki Spatial Postposition S?r.- Chapter 5. Descriptive Study of Verbs' Inflectional Morphology in Gilaki Language (Rashti Dialect).- Chapter 6. Gilaki Reduced Relatives.- Chapter 7. From Diachronic Shifts to Synchronic Patterns: Gilaki Schwa.- Chapter 8. The Voice of Young Gilaks: A Qualitative Exploration of Iranian Gilaki Native Speakers' Attitudes Towards Their Language.- Chapter 9. Passive Structure in Kurmanji and Its Morphological and Sociological Changes.