All (good) monospaced fonts are uniwidth, not all uniwidth fonts are monospaced. Monospaced is important if you want multiple sequences of the same length to l

All (good) monospaced fonts are uniwidth, not all uniwidth fonts are monospaced. Monospaced is important if you want multiple sequences of the same length to line up, uniwidth is less restrictive of the font (because "l" and "w" can be different widths) but allows you to bold without changing the visual length.