Meaning of Pallavi, Anupallavi and Saranam

Pallavi

        Pallavam means budding leaf . At the beginning of the song, considering to be going by a new path, one can see a budding leaf at a far distance

Anupallavi
        Going further by singing the song, one can realise that there are two budding leaves at that place.So one moves further to reach it.

Saranam
         Singing deep in the song one reaches saranam, ie moving closer to it, one realises that it is not the budding leaf but the Lotus feet of the Almighty. Saranam refers to surrendering to His feet.
        
 These features of the song implies that reaching the divine state is the ultimate goal of every song composed in carnatic music.