The word “brackets” means different things to different people:

http://en.wikipedia.org/wiki/Bracket_(disambiguation)

Let’s check Google - see if Google has any concise Insights as to the meaning of the word:

image

Hmmm…

I wonder why the search term “brackets” spikes every March like clockwork? ;-)

SPF

p.s. It looks like Google is “forecasting” very light/mild spike this March 2010.  I respectfully disagree.