A custom interaction (or attribute) that is tracked from your website into Google Analytics, for example, tracking plays of an embedded video. Each event can include up to three dimensions (the event ‘category’, ‘action’ and optional ‘label’) and a One of two types of data that Google Analytics collects, a metric is typically a number, like a count or a percentage. Metrics are typically presented as columns of data within your reports. Examples of metrics include pageviews, which tells you the total number of pages that were viewed and users which tell you how many people viewed your website. See also dimension.... Always-R Glossary (the optional event ‘value’). Events require custom implementation to be tracked and are then reported inside the standard ‘Behavior’ reports. Events can also be used to configure event-based goals.