11.2.7 GLOSSARY

Clusters
Geographically close groups of interconnected companies and associated institutions in a particular field, linked by common technologies and skills. They normally exist within a geographic area where ease of communication, logistics and personal interaction is possible. Clusters are normally concentrated in regions and sometimes in a single town.
(Source: http://ec.europa.eu/enterprise/entrepreneurship/support_measures
/cluster/final_report_clusters_en.pdf
)

GDP (Gross Domestic Product)
The total market value of all final goods and services produced within a country in a given period of time (usually a calendar year). It is also considered the sum of value added at every stage of production (the intermediate stages) of all final goods and services produced within a country in a given period of time, and it is given a money value.
(Source: http://en.wikipedia.org/wiki/Gross_domestic_product)