Dubai, UAE, is a major port and economic hub on the Persian Gulf, known for trade and skyscrapers like Burj Khalifa. Unlike Riyadh, Doha, or Muscat, Dubai’s global economic role defines its significance.

Zurich, Switzerland, was ranked the most expensive city in a February 2012 survey due to its high living costs and strong economy. Unlike Tokyo, Singapore, or Hong Kong, Zurich’s ranking defines its significance, as correctly indicated in the document.

Pashto and Dari (a variety of Persian/Farsi) are the two official languages of Afghanistan.

Persian, or Farsi, is the official language of Iran and is an Indo-European language, unlike the neighboring Semitic (Arabic) or Turkic languages.

Farsi, also known as Persian, is the official and predominant language of Iran.

Abu Dhabi is the capital of the United Arab Emirates, located on the Persian Gulf. It is the political and economic hub, known for its wealth, cultural landmarks like the Sheikh Zayed Mosque, and oil industry.

Pashto, along with Dari (Persian), is one of the two official languages of Afghanistan. Pashto is widely spoken, especially among the Pashtun ethnic group, which forms a significant portion of the population.