several questions

What the hell is an alias?
How do I keep up with all of the bits of information in lecture?
Is it possible to rephrase every complaint as a question?
Should I give kudos to the person who spoke up and said that the lecture was going too fast?
How do you use ajax to get a small bit of html from a server?
How do you use ajax to send data from a form that did not exist when the page was first loaded?
What are the twenty separate things you need to understand have ajax create a form and submit the data back to the server?