H1B VISA TO GREEN CARD PROCESS

USA H1B Visa
1 
  1.   How soon green card can be processed after h1b approval

    1.   What is the Process (on USCIS) for assignment change or project change within a company when we have valid h1b

    2.   What is the Process if we change company when we have valid h1b (1. Same location   2. Different location)

    3.   What is i-140 ?

    4.   What is LCA ?

    5. My baby is us citizen born on Dec’ 2013, On behalf of this shall i file I130 , to get Green card for me? Is it possible?