This tells you how much information is present at each position: variable positions contain little information while constant positions contain lots.

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Electronic signs will also be mounted on verges and gantries displaying variable mandatory speed limits and information to warn motorists about incidents, lane closures or conditions ahead.

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Under its fee-sharing arrangements, Morgan Stanely has received 10% of first-year commissions back from underwriters as contained in an "override addendum" on variable annuity policies, according to information Marron says he received from Morgan Stanley during the discovery process for Dornan's NASD complaint.

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Further, the AWC alleges that during the period from May 2008 through July 2008, Abern provided five Cambridge customers with variable annuity expense disclosure forms that contained inaccurate information, in that the forms understated the annual expenses that would be charged.

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In other words, this variable does not rise to the level of adding useful information in the presence of the other variables.

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"What has precipitated the change is an increasing concern over the very variable performance of exam boards, " said a spokesman for the Independent Schools Council information service (Iscis).

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The Traffic Scotland website, variable message signs and internet radio will be used to provide up-to-date information.

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The subpoena was served by Secretary of the Commonwealth William Galvin and seeks information about whether the leading Wall Street firm received secret payments from insurance companies to sell their variable annuity products.

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