Impressions on posts

When you look at the impressions on your post, does “other” mean they found your photo from the explore page?

Yes or people sharing to their stories, dming the post, from other platforms etc

Impressions from other include:

Shares (your post/video has been shared in direct messages or outside the Instagram app)
Saves (your post/video has been saved in the Instagram app to be viewed later)
Tags (posts/videos from other Instagram users, who tagged you)
Mentions (posts from other Instagram users, who mentioned you in the caption)
Notifications (your posts/videos that show up in the “FOLLOWING” tab in the notifications)