Dock allows you to comment on any section in a Workspace. To do so, follow the steps below:
Step 1: Navigate to the desired section and roll over it with your mouse or select it.
Step 2: Click on the comment icon to Start new comment thread:
Step 3: Type comment or tag people by using the "@" symbol. Anyone you tag will receive an email notification.
As the thread continues, all participants will receive notifications for each comment made.