Twitter Insights
Twitter Insights are private data, only visible to the owner(s) of the entity and includes:
Total Time Watched: Total time watched from an organic video post.
Link Clicks: Clicks on a URL or Card (in a tweet). Private data available through Facebook and Twitter Insights.
Post Clicks: Number of times a post was clicked on. Private data available through Facebook Insights.
Hashtag Clicks: Clicks on hashtag(s) in the Tweet. Private data available through Twitter Insights.
Media Clicks: Clicks to view a photo or video in the Tweet. Private data available through Twitter Insights.
User Profile Clicks: Clicks on the name, @username, or profile photo of the Tweet author. Private data available through Twitter Insights.
Detail Expands: Clicks on the Tweet to view more details. Private data available through Twitter Insights.
Impressions: Times a user is served a post in timeline or search results. Impressions are private data brought in through insights.
Twitter Insights - Image
Twitter Insights include post impressions, link clinks, profile clicks, hashtag clicks, media clicks, and detail expands at the post level.
Twitter Insights - Video
Twitter Insights for video also include an audience retention graph.