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You write:
> I have been a webmaster for about a week now (gulp).
Rather than answer your specific questions allow me to point you to a Newcomer's Guide [webmasterworld.com].
There is a lot to learn, and webmastering is not a game in which you get instant gratification. One excellent thread referred to in the above is titled "Successful Site in 12 months with Google Alone". You may not need 12 months to implement all the suggestions, but building a good site does take time.