Iltutmish is credited with introducing the pure Arabic coinage in India. He introduced the silver *Tanka*, which weighed 175 grains and was the standard coin, and the copper *Jital* as the lower-denomination coin. This marks a significant development in the coinage of the Sultanate.

Abdul Malik replaced Byzantine and Persian coins with new Islamic coinage featuring Arabic text and no images.

The House of Wisdom was a major intellectual center during the Abbasid era where Greek, Persian, and Indian texts were translated into Arabic.

Khalifa means a successor, specifically referring to the successor to the Prophet Muhammad (PBUH) in leading the Muslim community.

Taliban comes from the Arabic word 'Talib', meaning student (referring to students of Islamic seminaries).

Ataturk led the Turkish War of Independence and implemented sweeping secular reforms, including changing the alphabet from Arabic to Latin script.

Urdu developed as a 'Lashkari' (camp) language, blending Persian, Arabic, and Turkish vocabulary with local Indian dialects (Khariboli) during Muslim rule in India.

Bab-el-Mandeb is a strait located between Yemen on the Arabian Peninsula and Djibouti and Eritrea in the Horn of Africa. It connects the Red Sea to the Gulf of Aden. Its name translates to 'Gate of Tears' in Arabic, referring to the dangers attending its navigation.

Brazil has been the world's largest coffee producer for over 150 years, known particularly for its Arabica beans.

Mandarin uses Hanzi (logographic characters). While Hindi is also a major language using Devanagari, Mandarin's native speaker population is significantly larger.