Which ritual during Hajj involves standing on the plain of Arafat?

Which ritual during Hajj involves standing on the plain of Arafat?

حج کے دوران میدان عرفات میں کھڑے ہونے کی کون سی عبادت ہے؟
Explanation

The ritual during Hajj that involves standing on the plain of Arafat is called "Wuquf" or "Waqoof" at Arafat.

It is considered one of the most significant and essential rituals of Hajj pilgrimage,

where pilgrims gather and stand in supplication and worship from noon until sunset on the 9th day of Dhu al-Hijjah.