Goal Completion is a metric in Google Analytics that measures the number or percentage of times a user completes a specific action. It helps to track and analyze the success of a website or marketing campaign.

The Goal Conversion Rate is a metric in Google Analytics that measures the percentage of users who completed a specific goal, such as making a purchase or filling out a form, out of all users who visited a website or landing page.

The Goal Value metric is a numerical value assigned to a specific goal in Google Analytics, representing the expected value or revenue gained from achieving that goal. It helps businesses measure the effectiveness of their marketing efforts and evaluate the ROI of various campaigns.