Block: Block Elements

Range U+2580 - U+259F
Official Chart http://www.unicode.org/charts/PDF/U2580.pdf
Wikipedia Block Elements is a Unicode block containing square block symbols of various fill and shading. Used along with block elements are box-drawing characters, shade characters, and terminal graphic characters. These can be used for filling regions of the screen and portraying drop shadows.
https://en.wikipedia.org/wiki/Block_Elements
Characters