Cultural Patterns
Ethnicity, language, and religion each have their own distinct spatial patterns — some cultures spread across the whole globe, while others stay tightly concentrated in one place for centuries.
Ethnicity is identity grounded in shared cultural heritage, ancestry, language, or tradition — distinct from race, which is based on physical or biological traits. When a specific ethnic group concentrates within a neighborhood of a larger city, maintaining its own language, cuisine, and institutions, geographers call that an ethnic enclave — Chinatowns found in cities worldwide are the textbook example.
Language has its own spatial structure. A language family groups languages by shared historical origin, even when the languages sound nothing alike today — English and Hindi both descend from the same Indo-European ancestor, despite centuries of divergence making them mutually unintelligible. Within a single language, regional isolation can produce dialects distinct enough that speakers struggle to understand each other, even while technically speaking “the same” language.
Religion shows the sharpest contrast in spatial pattern. Universalizing religions like Christianity and Islam actively seek converts everywhere, and their global spread reflects it. Ethnic religions like Hinduism and Judaism stay tied to a specific people or place and generally don’t seek converts — which is why a world map of religion shows Hinduism concentrated almost entirely in South Asia, while Christianity and Islam appear on every continent.