🔲 Black Square Button

🔲 Black Square Button is one of the shapes in Unicode's Symbols group. In practice it comes up around black, button, geometric and square.

🔲 works in messages, comments, captions and profile names. On SmileyZone it is filed under Symbols and Signs. Added in 2010 with Emoji 0.6, it displays correctly on every up-to-date system. Its code point is U+1F532.

• 🔲 on its own already flags the topic: black.
• Fits messages about black, button, geometric and square.
• Often seen near 💠 Diamond with a Dot, 🔘 Radio Button and 🔳 White Square Button.

• 🔲🔶 – Black Square Button and Large Orange Diamond
• 🔲💠 – Black Square Button with Diamond with a Dot
• 🔲🔻 – Black Square Button plus Red Triangle Pointed Down
• 🔲🔹 – Black Square Button and Small Blue Diamond
• 🔲🔘 – Black Square Button with Radio Button
• 🔲▪️ – Black Square Button plus Black Small Square

Easy to mix up with 💠 Diamond with a Dot, 🔘 Radio Button or 🔳 White Square Button. They sit in the same Unicode subgroup and look similar at small sizes, so it is worth checking the name before sending.