Language: The official language of the UAE is Arabic but English is the main business language, spoken by pretty much everyone.
Currency & Payments: The UAE Dirham is the currency of the UAE. It is pegged to the USD, at a rate of 1USD = 3.67 AED. International credit cards are widely accepted and ATM are easy to come by.
Best time to visit: November to March is the best time to visit the UAE, as the weather is sunny and the temperatures are in the low 20 C.
Safety: The United Arab Emirates are very safe for all travelers. Crimes are very rare, and it is not uncommon to see people leave their belongings unattended, or being returned things they forgot in restaurants, cabs etc.
Travelling as a woman: There is no particular restrictions for woman travelling to the United Arab Emirates. Women can dress as they see fit, while keeping in mind a certain respect for the local population.