Variation Selector-64

It requests a glyph variant for the preceding character.

An early Unicode design record from 2000 describes invisible selectors whose effect depends on a specified base. The purpose is plain text that can preserve a particular glyph when a person's name, a place name, publishing work, or an old document depends on that shape. This is a computer-text mechanism, not an old standalone sign.

By 2003, CJK use was still described as needing research and experimentation. The model evolved into the Ideographic Variation Database (IVD), where separate collections can register unique base-plus-selector pairs because scholars, governments, and publishers need different glyph sets. Adobe-Japan1 is a documented publishing example: its IVS data lets Japanese fonts address glyphs older encodings could not identify.

Can I send Variation Selector-64 by itself?

No. By itself, it has no readable conversational meaning.

Its job depends on the preceding base character and a valid registered sequence. If it arrives alone, or after the wrong kind of character, treat it as a stray technical mark—not an emoji, accent, or secret message.

That advice matters because the selector is normally invisible. A program that does not support the relevant sequence generally shows the base character as usual and ignores the selector, so a visual blank does not prove that a meaningful variant was present.