BDT, also known as Bangladeshi Taka, is the official currency of Bangladesh. There are several synonyms or abbreviations for BDT that are commonly used in day-to-day transactions. For instance, Tk or ৳ is a widely-used abbreviation for the Bangladeshi Taka. Another synonym is the acronym BDT itself. Additionally, some people may refer to the Bangladeshi Taka as Bangla Taka, since the country's official language is Bengali. Moreover, in certain contexts, the term "BD" may also be used to refer to the currency. Regardless of which synonym is used, it is important to remember that they all refer to the same currency.