What ▻ means
It points toward what follows.
After an item or label, it can introduce a destination, option, or next step; the surrounding text supplies the target.
Don't confuse it with
4Questions people ask
1Why does ▻ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type ▻
Windows (Word)
Alt+XType 25BB, then Alt+X to get ▻.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “white right-pointing pointer”.
Linux
Ctrl+Shift+UType 25bb, then Enter or Space.
HTML
▻CSS
\25BBCodes and encoding1 code points
HTML decimal
▻
HTML hex
▻
CSS content
content: "\25BB";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%96%BB
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.

