Button (fastener)
A button was a type of fastener for clothing.

22nd century s undershirts featured buttons. ( et al.)

When Clara Sutter explained her imaginary friend Isabella to Deanna Troi in 2368, Isabella was described as wearing a blue dress with white buttons. ()

In 2370, Elim Garak compared the ease of fixing computers to that of sewing on a button. ()

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Clothing accessories