The Arrows block contains eight emoji:
U+2194–U+2199 and U+21A9–U+21AA.[3][4]
The block has sixteen standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the
eight emoji, all of which default to a text presentation.[5]
Emoji variation sequences
U+
2194
2195
2196
2197
2198
2199
21A9
21AA
base code point
↔
↕
↖
↗
↘
↙
↩
↪
base+VS15 (text)
↔︎
↕︎
↖︎
↗︎
↘︎
↙︎
↩︎
↪︎
base+VS16 (emoji)
↔️
↕️
↖️
↗️
↘️
↙️
↩️
↪️
History
The following Unicode-related documents record the purpose and process of defining specific characters in the Arrows block:
"6. Annotations to be changed for existing characters", Proposal to incorporate symbols of ISO/IEC 9995-7:2009 and Amendment 1 into the UCS, 2010-09-21