Subject matter: The Three Worlds (the Buddhist cosmology)
For similar examples of this iconography, see:
Gillian Green, Traditional Textiles of Cambodia: Cultural Threads and Material Heritage (Chicago: Buppha Press, 2003), p. 254, fig. 291.
Linda McIntosh, Weaving Paradise: Southeast Asian Textiles and Their Creators (Bangkok: Tilleke & Gibbins ROP, 2007), pgs. 60-61 (Cat. No. 21).