What is the meaning of Aggregation?

The act of collecting together, of aggregating.

The state of being collected into a mass, assemblage, or (aggregated) sum.

A collection of particulars; an aggregate.

Summarizing multiple routes into one route.

The majority of the parasite population concentrated into a minority of the host population.

Kind of object composition which does not imply ownership.

A component of natural language generation that entails combining syntactic elements.

Source: wiktionary.org