Answer :
Final answer:
The 2) central stairway leading to the celestial room symbolizes progress toward the celestial goal in the Arizona Temple.
Explanation:
The central stairway leading to the celestial room symbolizes progress toward the celestial goal in the Arizona Temple. The feature of the Arizona Temple that symbolizes progress toward our celestial goal is the 2) central stairway leading to the celestial room. The central stairway represents the journey towards the celestial room, which is a sacred space within the temple where individuals can feel closer to God and receive revelation. The act of ascending the stairs can be seen as a metaphor for personal growth and spiritual advancement.