Economics is the science of production and trade under a division of labor (market) society.
A value is something one acts to gain and keep.
Production is the act of creating — shaping materials into values –– goods and services for future consumption.
Consumption is the act of consuming or using (up) values.
Wealth is a material good that has value to human life.
In a division of labor society, individuals create values for future trade as opposed to self-consumption.