Trying to understand Google Analytics.....

Hi,

Just trying to understand what tihs plugin has to tell me...

Can anyone help me with this picture?
I donot understand... I do not have a page called A and Co.lumb.
Also do not understand this erot.co referral. I have googled and found that that is a way to stop it in my .htaccess but the code I found doesnot work for me. I got error 403 with the code to block erot.co.
How can I solve all of this....