here are some definition:

home = contains living room, market & stage;

living room = posts about general stuff;

market = posts on things that I am selling;

stage = posts on my performances;

good old days = some of my previous posts;

bedroom = information about myself;

gallery = some photos about myself;

theater = some videos on various subjects;

noticeboard = interesting links that I wish to share;

storeroom = place where I store some of my documents;