The Free Dictionary
Content 
A very good website developed as an integrated Search Engine which combines different tools, systems of search and a highly developed hypertextual structure. Information is very well organized and daily updated.
Selection 
The Free Dictionary is essentially an integrated Search Engine covering different encyclopedias, thesauri and dictionaries from authoritative sources
Format
Keywords retrieved are described by different tools and dictionaries. Each entry is specified in all its meaning, technical and informational. A huge hypertext structure characterizes the content format
Information density
A high amount of well organized and connected info, metainfo and contents of different kinds is provided for each keyword
Content Pertinence to Political Science
The free dictionary include also a Legal dictionary and for each political keyword there is a good amount of interesting results
Updating Rate
The website entries are updated daily. Every day there is a new word selected, some historical information and some records added (along with article of the day, word of the day, and so on)