The aggregate demand curve show what consumers are willing to buy at a given price level, whereas the aggregate supply curve shows what producers are willing to produce at a given price level.

The word 'aggregate' is a noun, a verb, and an adjective. Example uses:

Noun: The dance was an aggregate of traditional native, modern, and lyrical forms.

Verb: If we aggregate remaining funds from completed projects we will be able to start this one.

Adjective: With the aggregate skills of the group, we should easily have the winning model.

Aggregate is total limit for all claims in the year.

a graphed line showing the relationship between the aggregate quantity demanded and the average of all prices as measured by the implicit GDP price deflator.

A graphed line showing the relationship between the aggregate quantity supplied and the average of all prices as measured by the implicit GDP price deflator.