❓□🤔

#tofu #missing glyph #placeholder character #unknown character #unicode box #rendering error #font issue #replacement character

🌸╔📄╗🌸

#unicode box #cute ascii art #framed text #box-drawing characters #flower text box

□■🔣

#unicode box #square symbol #block character #box character #character set symbol

[💎]

#box symbol #enclosed gem #valuable asset #unicode box

o⃞

#combining enclosing square #letter in box #o inside square #unicode box