How will I know what my baby wants and needs?

For the 1st month for a new mom its difficult to understand what your baby is trying to communicate,but as you spend more time no one better than you will understand your baby. When my daughter was born i also had the same question on my mind and as i was searching for answers, i came across this interesting piece.. http://www.sheknows.com/parenting/articles/952759/cracking-the-code-the-secret-language-of-babies