U+0661 "١" Arabic-Indic Digit One Unicode Character

U+0661 "١" Arabic-Indic Digit One is a numeral used in the Arabic script for writing the digit one, primarily in Arabic speaking regions across the Middle East and North Africa. It differs visually from the Western Arabic digit "1" by appearing as a single vertical stroke that curves slightly to the left at the top and bottom. This character is part of the Arabic block in Unicode and is encoded at code point U+0661, serving as one of the ten basic digits in the Arabic Indic numeral system, which is employed for representing numbers in languages such as Arabic, Urdu, and Persian. Its usage is distinct from the Eastern Arabic numeral "1" (U+06F1) used in other regions like Iran and Pakistan, highlighting regional variations in numeral representation.