Which component of Salesforce is primarily used to enhance user productivity by minimizing repetitive tasks?

The component that is primarily used to enhance user productivity by minimizing repetitive tasks is Macros. Macros in Salesforce allow users to automate a series of actions that can be performed on records within the platform. This feature is particularly useful for users who perform the same set of actions frequently, as it enables them to execute all these actions with a single click. By using Macros, users can save time and reduce the likelihood of errors that can occur when performing repetitive tasks manually.

While Process Builder, Approval Processes, and Lightning Components serve important functions within Salesforce, they address different aspects of workflow and customization. Process Builder is primarily used for automating business processes through workflows but does not directly enhance user productivity in the context of repetitive task execution. Approval Processes facilitate the management and automation of the approval workflow for records, aiding in formal workflows rather than direct task minimization. Lightning Components are part of the user interface framework and focus on creating custom user experiences rather than addressing the specific need for reducing repetitive tasks at the user level.