Final answer:
Actions in Real User Monitoring denote user interactions, such as clicks or form submissions, and multiple actions can occur within a single session. Sessions represent the entire period of a user's visit to an application and are key to understanding the user's experience as a whole.
Step-by-step explanation:
In the context of Real User Monitoring (RUM), the difference between actions and sessions is that actions represent user interactions within a web application, such as clicks, form submissions, or page navigations. These are specific tasks that a user initiates and completes. On the other hand, a session encompasses the entire duration of a user's visit to the web application, from the moment they arrive until they leave or after a period of inactivity. Therefore, a single session can contain multiple actions.
Based on the options provided, (a) Actions represent user interactions, while sessions encompass the entire user visit, is the most accurate representation of the relationship between actions and sessions in RUM. Each session captures a continuous set of user interactions within a given time frame, providing valuable insights into user behavior and application performance.
The idea that sessions refer to server-side interactions, or that actions and sessions are synonymous terms, or that actions denote incomplete interactions, does not accurately describe their use in RUM.