Differentiate between addon domain, parked domain, subdomain and main domain...!

[host.co.in]

Following are 2 entries from httpd.conf of a server :-
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
<VirtualHost 147.202.32.244>
ServerAdmin webmaster@etechsupport.net
DocumentRoot /home/etechsup/public_html
BytesLog domlogs/etechsupport.net-bytes_log
User etechsup
Group etechsup
ServerName www.etechsupport.net
ServerAlias etechsupport.ca www.etechsupport.ca
User etechsup
Group etechsup
ServerAlias etechsupport.net www.etechsupport.net
ServerAlias etechsupport.ca www.etechsupport.ca
CustomLog domlogs/etechsupport.net combined
ScriptAlias /cgi-bin/ /home/etechsup/public_html/cgi-bin/
</VirtualHost>
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
<VirtualHost 147.202.32.244>
BytesLog domlogs/server.etechsupport.net-bytes_log
User etechsup
Group etechsup
ServerName server.etechsupport.net
ServerAlias www.server.etechsupport.net
ServerAdmin wwwadmin@etechsupport.net
DocumentRoot /home/etechsup/public_html/server
CustomLog domlogs/server.etechsupport.net combined
ScriptAlias /cgi-bin/ /home/etechsup/public_html/server/cgi-bin/
User etechsup
Group etechsup
ServerAlias www.serversupport.us serversupport.us
ServerAlias www.server.etechsupport.net server.etechsupport.net
</VirtualHost>
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=

Please answer the following questions :-
1. Which domain is addon domain ?
2. Which domain is parked domain ?
3. which is the subdomain in this 2 entries ?
4. Which is the main domain in both the entries ?

[manish]

Answers :=

1:- serversupport.us is the addon domain.

2:- etechsupport.ca and server.etechsupport.net are the parked domains

3:- server.etechsupport.net is the subdomain in above 2 entries.

4:- etechsupport.net is the main domain in both the entries.

correct me if i made mistake

[host.co.in]

Only etechsupport.ca is parked domain and server.etechsupport.net is a subdomain.