How is 'Cultural Hearth' defined?

The correct answer is the birth place of a cultural group associated with a particular cultural landscape
Key Points

In the simplest of terms, a cultural hearth is the hub from where a culture has originated, thrived, flourished, and disseminated across. It doesn’t limit itself only to its place of origin, rather it becomes influential enough to be adopted and practiced by many. 

Key Points

• Cultural hearths are the epicenters or origin areas of dominant cultural traits and characteristics.
• Cultural hearths are closely tied with religious hearths and how and why they spread to outside groups.
• The ideas from cultural hearths can be spread in a myriad of ways through direct, forced, and indirect cultural diffusion.
• Some of the prominent ancient cultural hearths include the Mesopotamian civilization, the Indus Valley civilization, and the Nile River Valley civilization. The earliest cultural hearths of Eurasia include parts of India, China, and the Mediterranean Sea region. Most all modern cultural hearths are major urban centers, like New York City, Tokyo, and London. 
• The three Abrahamic religions of Judaism, Christianity, and Islam all developed from the religious cultural hearth of the Levant region. Religious hearths are considered to be the origin centers of particular religions. India is considered the religious cultural hearth region for Buddhism and Hinduism. Important developments and ideas have historically originated from cultural hearths. For instance, corn developed from the cultural hearth of modern-day Mexico, which was part of the early Mesoamerican culture.