The Browse facility allows users to identify data-fields and datasets by navigating through a tree of categories which have been arranged in a hierarchical fashion according to the origin of the data.

Note that the data-fields/datasets listed as being in a category when browsing hierarchically may differ from those listed when the same category is viewed in isolation. This is because some categories overlap rather than being strictly contained one within the other.

Alongside each category is listed the number of items (data fields plus datasets) which lie in that category or any of its sub-categories.