the quality (positive or negative) that renders something desirable or valuable | former measure of the United States economy; the total market value of goods and services produced by all citizens and capital during a given period (usually 1 yr) |
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 | |