The 3rd line tells the form script to place the declared subject line into the form sent to the recipient via e-mail. The 4th line tells the form script to send the visitor filling out the form to a page thanking them for filling out the form. These are the only codes you need to interface with to get the forms working. Don't forget to create a 'thankyou' page for your form. Your server is already configured for the placement of hit counters.
Absolute path refers to something's location on the server itself.
Net and we will do the best we can to help you track down the path for your script.