black right-pointing double triangle

U+23E9

black left-pointing double triangle

U+23EA

black square

U+25A0

black small square

U+25AA

black right-pointing triangle

U+25B6

white right-pointing triangle

U+25B7

white right-pointing triangle

U+25B7

black right-pointing small triangle

U+25B8

white right-pointing small triangle

U+25B9

black medium square

U+25FC

black medium small square

U+25FE

black large square

U+2B1B

halfwidth black square

U+FFED

minidisc

U+1F4BD

floppy disk

U+1F4BE

optical disc

U+1F4BF