MAC Undercover Nude Nail Lacquer ($17.50 for 0.34 fl. oz.) is described as a "sheer clear nude." It's a sheer light beige with a cream finish. Why does MAC describe this one as "sheer" and "clear" but that nearly colorless lipstick as "sheer" and "translucent." The...

MAC Underfire Red Nail Lacquer ($17.50 for 0.34 fl. oz.) is described as a "deep blood red." It's a dark, brown-based red with a cream finish. Deborah Lippmann Single Ladies is much darker. China Glaze Velvet Bow is several shades darker. Essie Size Matters is lighter, less brown. China...