For some musicians, fans and critics, whether the music swings is the key to the definition of jazz.

WSJ: Winter Jazzfest | The Broad Tent of Jazzfest | By Jim Fusilli

Two key parts of the definition are the wearing of uniforms and the open carrying of arms.

BBC: Guantanamo Bay

The contradictions between this and previous statements of the threat, both by Alexander and others, combined with continued confusion over the definition of key terms, points once again for the need to more clearly articulate the cyber threat if we are to develop appropriate policy responses.

FORBES: Just How Big Is The Cyber Threat To The Department Of Defense?

It would be more useful, perhaps, to simply describe certain of their key features and establish a working definition from there.

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The key to the import of the new ruling is the definition of 'new evidence'.

BBC: Police bail in the dock

The key here though is to stick to your general business definition without letting it totally define you.

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Tuesday afternoon, Digg CEO Jay Adelson had posted a message on his blog explaining that the site was removing links to articles that featured the newly cracked HD-DVD encryption key, which can be used to decrypt the high-definition discs and copy their content.

FORBES: Digg's DRM Revolt

This modification would result in both markets using the same definition of on- and off-peak hours and be able to share key operational information.

FORBES: Electricity and Gas Markets Are Out Of Synch: Sooner or Later, This Will Hurt Us