I do not understand the out put of lsof -i -P -n

Applications Filesystems, Disks and Memory
1 
lsof -i -P -n
COMMAND    PID        USER   FD   TYPE     DEVICE SIZE/OFF NODE NAME
SystemUIS 1578 melodysneed    9u  IPv4 0x07d608ec      0t0  UDP *:*
SystemUIS 1578 melodysneed   11u  IPv4 0x0ba68810      0t0  UDP *:*
WebProces 2141 melodysneed    7u  IPv4 0x0c550748      0t0  TCP 192.168.1.71:51015->74.125.67.17:443 (ESTABLISHED)
WebProces 2141 melodysneed   11u  IPv4 0x049f7ee8      0t0  TCP 192.168.1.71:50706->207.46.232.182:80 (ESTABLISHED)

:confused: