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Thematic Map
Thematic maps use graphical styles (eg colours or fill patterns) to display information relating to a specific statistical theme - eg birth rates by district. Thematic maps are mostly choropleth maps or proportional symbol maps.

Topographic Identifier (TOID)
Topographic Identifiers (TOIDs) are the 16-digit numbers that uniquely identify every feature in the Digital National Framework (DNF) and the associated OS MasterMap. TOIDs are a stable geographic reference as they are assigned to a feature throughout its life and are not reassigned when a feature disappears.

Tourist Board Region
Tourist board regions are areas in which the respective tourist boards promote tourism. They are found across the UK - there are 9 in England, built up from local authority geography, and one in each of Scotland, Wales and Northern Ireland.

Training and Enterprise Council (TEC)
Training and Enterprise Councils (TECs) were government-funded bodies which aimed to foster local economic growth and development. They existed across England and Wales, but were replaced in 2001 by Local Learning and Skills Councils (LLSCs) in England, and in Wales by the regional offices of Education and Learning Wales (ELWa).
Further information on TECs, including a map and lists of names and codes.

Travel to Work Area (TTWA)
Travel to Work Areas (TTWAs) are used in labour market analysis and reflect reasonably self-contained zones in which people both live and work. The current TTWAs were constructed using 2001 Census data, and are formed from aggregations of Lower Layer Super Output Areas (England and Wales), data zones (Scotland) and Super Output Areas (Northern Ireland).
Further TTWA information, including maps and look-up tables.

This page last revised: Friday, 18 April 2008