properties of user in linux

To check the user properties grep for a user name. 
root# grep user-name | /etc/passwd
user-name:x:500:500: :/home/user-name:/bin/bash # this line contains 7 information of a user.

{user-name}:{x}:{500}:{500}:{ }:{/home/user-name}:{/bin/bash} # I have divided each part with a bracket.

1.{user-name}                    = User name 
2.{x}                                   =Encrypted password
3.{500}                               =UID
4.{500}                               =GID
5.{ }                                    =Comment
6.{/home/user-name}         =User's default or home directory
7.{/bin/bash}                      =Default Shell of Linux