You can send Insights from Activities, Projects and Plans to Presentations so that the Insight can be discussed and reviewed by a group of your teammates.
On the Insight, there is an Action Icon with three dots in the top right corner. Click this icon and a dropdown will appear with different options. Choose the "Send to..." option to search for and select the Plan you wish to send the Insight to.
Send Task Insights:
Send Project and Plan Insights: