'subject' => ts('Test different "Subject" lines'),
'from' => ts('Test different "From" lines'),
'full_email' => ts('Test entirely different emails'),
'subject' => ts('Test different "Subject" lines'),
'from' => ts('Test different "From" lines'),
'full_email' => ts('Test entirely different emails'),
'open' => ts('Open'),
'unique_click' => ts('Total Unique Clicks'),
'link_click' => ts('Total Clicks on a particular link'),
'open' => ts('Open'),
'unique_click' => ts('Total Unique Clicks'),
'link_click' => ts('Total Clicks on a particular link'),
'standalone' => ts('Standalone'),
'experiment' => ts('Experimental'),
'winner' => ts('Winner'),
'standalone' => ts('Standalone'),
'experiment' => ts('Experimental'),
'winner' => ts('Winner'),