1) what do you mean by 'Internal-links'?
is it 'your site' -> 'another website'?
YES what impact 'internal-link' makes on PR and SERP?
GOOGLE SEE A PAGE AS A PAGE FOR ITS PR CALCULATIONS HOWEVER DEGREE OF RELEVENCE AND WEIGHT GIVEN TO INTERNAL LINK IS LOWER THEN EXTERNAL LINK. ITS LIKE YOU THINK YOU ARE A ROCKSTAR, GOOGLE WILL AGREE BUT WILL BE HAPPY IF OTHERS VOTE THAT.
2) what is 'External-links'?
is it 'another website' -> 'your website'?
YES
what impact 'external-link' gets on PR and SERP?
RELEVENT LINKS FROM RELEVENT SITES FOR RELEVENT CONTENT DO BETTER WITH MORE AND MORE NATURALLY GAINED EXTERNAL LINKS. PR IS JUST A GAME NOWADAYS.
3) what do you called when my website links to its own sub-pages?
what impact does it make on PR and SERP? (this qustion is vital for me)
REPLIED ABOVE
4) which is the way to link to my own sub-pages?
is it TEXT -> http://www.example.com/myself.html
OR
TEXT -> myself.html?
ABSOLUTE LINKING IS A CHOICE FROM GOOGLEPLEX BUT NOT A MUST
BEST OF LUCK
ANKIT
[edited by: tedster at 3:42 pm (utc) on May 22, 2007]
[edit reason] switch to example.com [/edit]