well i got my x last week i first android phone ever had i been readin this site now and iwas wondering can someone help me
1. i got launcher pro plus and beatiful widgets what else should i get?
2.what does dock mean?dont make fun of me 

3.i was lookin at my sis droid inc. and i was wondering is there an app where i can also change the colors like in  the calender and messigin
4.how do you change the icons on the screen like not the bottons but the ones on top
 
umm ithink thats all ill be postin pics in a bit please help me