Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I have this wierd impact thing where I can flag and that stuff, what does the Impact mean?
What does the 66 mean?
"Impact" is an approximate measure of the number of people who have viewed your questions and answers. In your case, around 66 people have viewed your questions, which corresponds to the total view count.
Hovering over the "Impact" (specifically the number of people reached) displays a tool tip telling you what it is: