Explaination of lines

[The Great Hitoki]

Could someone explain in plainer english what these lines on the install mean?
I think that is what is messing me up.
I keep getting "Could not configure database" I know its a permission issue I'm just not totally sure which part I messed up.

[Chuck S]

First part is the connection information to connect to the photopost database

Second part is the connection information to connect to the forum database or if your using an internal install just enter the photopost database info again or if the forum is in the same database

Third Part is the VB license number if you using vb integration which is written into the password cookie so we need this