The Opened Email metric measures how many subscribers have opened an email you've sent, tracked through an invisible pixel in the email. It's a key indicator of engagement.

Clicked Email is a metric that shows how many times recipients clicked on a link in an email campaign. It helps measure engagement and identify highly engaged subscribers.

The Subscribed to List metric measures the number of people who have opted in to receive emails from your specific mailing list.

The Received Email metric represents the number of emails delivered to the recipients' inbox and is an important measure of the success of an email campaign.

The "Marked as Spam" metric measures the number of times your email campaign was flagged as spam by recipients. This is important to monitor as too many spam complaints can negatively impact your sender reputation and deliverability.

Bounced Email metric measures the number or percentage of emails that were not delivered successfully to the recipient's inbox due to factors like an invalid email address, full mailbox, or the recipient's server blocking the email.

The Dropped Email metric tracks the percentage of emails that were not delivered to the recipient's inbox, typically due to issues with the recipient's email server or filtering.