You have lots of reading to do. :-)

Please Fill Out This Form   
Part 1: Create professional looking forms in Word
    http://www.computorcompanion.com/LPMArticle.asp?ID=22
Part 2: Adding Automation to your Word forms.
    http://www.computorcompanion.com/LPMArticle.asp?ID=46
Part 3: Learn more VBA (macros) to automate your forms.
    http://www.computorcompanion.com/LPMArticle.asp?ID=119
Part 4: Use custom dialog boxes in your Word forms
    http://www.computorcompanion.com/LPMArticle.asp?ID=127
Part 5: Connect your AutoForm to a database to save input time and
keep better records!
    http://www.computorcompanion.com/LPMArticle.asp?ID=136

Effectively Using ActiveX Form Controls in Microsoft Word

http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnword2k2/html/
odc_activeX.asp

How to create a Userform
    http://www.word.mvps.org/FAQs/Userforms/CreateAUserForm.htm

and much more at the address in my signature...

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Regards,
Jay Freedman
Microsoft Word MVP        FAQ: http://word.mvps.org