The HSV color space coordinates describe a color in terms of the hue, given as percentages . ( " Value " is similar to brightness in this usage . ) In Wikipedia, the HSV coordinates are represented as three numbers separated by commas and identified as either degrees or percentage, as in this example for the color orange:
42.
In the general theory of relativity, there is no such requirement so that the choice of reference frame is not limited : the three space coordinates " x " 1, " x " 2, " x " 3 can take any values that define the positions of bodies in space while the time coordinate " x " 0 can be measured by clocks with any possible adjustment.
