the quality (positive or negative) that renders something desirable or valuable | the measure of an economy adopted by the United States in 1991; the total market values of goods and services produced by workers and capital within a nation's borders during a given period (usually 1 year) |
relative darkness or lightness of a color | |
a numerical quantity measured or assigned or computed | |
an ideal accepted by some individual or group | |
the amount (of money or goods or services) that is considered to be a fair equivalent for something else | |
(music) the relative duration of a musical note | |