How can we determine what constitutes Zeenat according to cultural norms or Urf?

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How can we determine what constitutes Zeenat according to cultural norms or Urf?
Sayyed Mohammad Al-Musawi, Sayyed Mohammad al-Musawi is originally from Iraq and heads up the World Ahlul Bayt Islamic League in London. Other than being involved in various humanitarian projects, he frequently responds to... Answered 10 months ago

Exposing the Zeenat if the Muslim female in front of of Nin Mahram men is not allowed according Quranic verse:    ولا يُبدينَ زينَتَهُنّ إلا 

Zeenat is any beautification made by the person or any artificial beautification.

Wassalam.