economic growth

economic growth is an often misused word 

an economy grows 

when land is added 

and when matter is added 

and when energy is added 

and when technology is added 

when government sells land to people or companies 

then land is added to the economy 

when unusable land is colonized / agriculturized / industrialized 

such as steppes and deserts on planet earth 

then land is added to the economy 

when new land is colonized / agriculturized / industrialized 

such as land on the moon and mars 

then land is added to the economy 

when metal is mined from the ground 

then matter is added to the economy 

when asteroids are mined 

then matter is added to the economy 

when oil is drilled from the ground 

then energy is added to the economy

but the amount of oil is probably finite 

when solar cells convert sunlight into electricity 

then energy is added to the economy 

and sunlight is nearly infinite 

when technology is used to faster and cheaper move products 

then technology is added to the economy 

when technology is used to turn more sunlight into electricity 

then technology is added to the economy