The correct answer is Prayer Hall.

  Key Points

• Buddhist architecture is primarily represented by three major building types:
  • Chaitya Hall (Place of worship / Prayer Hall)
  • Vihara (Monastery)
  • Stupa (Hemispherical mound for worship/meditation)
• A Chaitya is a place of worship, whereas a Vihara is the residence of the monks.
• Initially, both Chaityas and Viharas were made of wood, and later, rock-cut Chaityas and Viharas were excavated from stone.
• A Chaitya was a rectangular prayer hall with a stupa placed in the center, designed specifically for prayer.
• The Chaitya was divided into three sections and ended in an apsidal form, which was a semicircular rear end.
• The central part of the hall (also called the nave) was separated from the two side aisles by two rows of pillars.
• Chaityas featured polished interior walls, semicircular vaulted ceilings, and horseshoe-shaped windows known as Chaitya windows.
• Viharas were the residential quarters for the monks.
• Distinct Buddhist architectural structures and sculptures include stupas, pagodas, caves, and monasteries.
• Being spiritual symbols of Buddhism, these structures function as monastic or sacred spaces.
• They also serve as a holy ground, believed to possess the power to purify one's soul.