Do you know a resource that gives a description of jobs/positions in various fields of the workforce?
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OLMIS.org has an Occupation Information Center that I personally like. http://www.qualityinfo.org/olmisj/OIC?x=1&y=1\n\nThen there is the big one - O-Net. Brought to you from the US Department of Labor  - http://online.onetcenter.org/
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A description of job duties and responsibilities.
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www.careerbuilder.com
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Occupational Outlook Handbook (OOH), 2006-07 Edition\nFor hundreds of different types of jobs—such as teacher, lawyer, and nurse—the Occupational Outlook Handbook tells you:\n\nthe training and education needed \nearnings \nexpected job prospects \nwhat workers do on the job \nworking conditions \nIn addition, the Handbook gives you job search tips, links to information about the job market in each State, and more.\n\nGreat Site with tons of information! Hope this helps.\nLink below
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US Bureau of Labor has information about most careers.  See below.
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http://careers.bestbuy.com/ lets you see the available jobs and the qualifications needed for each one.
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If you are talking about job opportunities, then you can try:\nwww.ajb.org - America's Job Bank\nwww.careerbuilder.com\nwww.dice.com - computer careers\nwww.duncanaviation.com- private jet corp.\nwww.hotjobs.com\nwww.medzilla.com\nwww.gallup.com - the poll organization\nwww.bnsf.com - railroad career\nwww.up.com - same as above\nwww.usajobs.opm.gov - federal government careers\n\nCheck with your local Department of Labor.  They should also have some listings.
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http://www.careerjournal.com/reports/overseas/\n\nhttp://www.tqnyc.org/NYC041160/outsourcing.html\n\nhttp://www.businessweek.com/magazine/content/03_34/b3846027.htm\n\nhttp://money.cnn.com/2004/03/30/news/economy/outsourcing/
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This seems to be a sector with a lot of potential.\n\nThere is a pamphlet on the BLS website that goes into detail about the available jobs in the field.
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http://www.jobcore.com
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All jobs listed with the federal government can be found at the link below.
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Advertising, Marketing, Promotions, Public Relations, and Sales Managers\n\nThe Occupational Outlook Handbook has a page about this career, including Nature of the Work \nWorking Conditions \nTraining, Other Qualifications, and Advancement \nEmployment \nJob Outlook \nEarnings \nRelated Occupations \nSources of Additional Information
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http://jobsearchtech.about.com/library/weekly/aa_resume_templates.htm
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Monster.com is one also, Careerbuilder.com, and I think Jobdig.com.\n\nThere is a huge list from which one can find other site names on ResumeRabbit.com
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Go to www.bls.gov. It's the Bureau of Labor Statistics and you can search any occupation and get the statistics for it. After going to the website click on "Occupational Outlook Handbook" and search for your job.
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To understand different career prospects and the outlook on different industries, the US Bureau of Labor Statistics has excellent information.  The Occupational Outlook Handbook gives a nice description for many jobs and gives you an idea of average wages and how much growth or competition there is in a particular area.
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This is a free web site that you answer a questionaire and it suggests fields based on your interests, knowledge, skills, and abilities.  Also, it has information about occupations.  It is very good.