Japanese โReservedโ Button
This character translates as meaning a finger or toe pointing to indicate a certain direction.
CJK Ideographs are characters used in Chinese, Japanese and Korean languages. Their writing systems all completely or partly use Chinese characters.
Japanese โReservedโ Button was approved as part of Unicode 5.2 in 2009 under the name "Squared CJK Unified Ideograph-6307" and added to Emoji 1.0 in 2015.