Lead generation simple 1 page definition page

I require someone with lot of lead generation knowledge to write a brief summary about the topic of lead generation.

To define the following terms.

Cpm
Cpl
Click through rate
Open rate
Who to calculate ecpm
What are the average conversion rates.
Process of e mail broadcasting using your own data (pros and cons)

It would not take more than 1.5 hours to write the page of information.

Needs to start tomorrow and finish the same day/ evening.