Engagement is a term or concept very commonly used in digital marketing context.
Though there is no universal definition of engagement, engagement usually refers to a situation where a consumer interacts with a digital content. The nature of engagement and the ways for measuring it varies according to the type of content.
According to the IAB, there is three distinct forms of engagement:
Components and metrics of engagement differ for each form of content or context.
Some forms of engagement may be seen as "standards"
Allthough the click to a landing page is a form of interaction and engagement, the measure of engagement is often based on other criteria and seen as a complement or an alternative to measuring the "traditional" click which has been historically the first form of engagement taken into account.