Embed descriptions in pictures or video to describe what was going on when it was taken.
Speed Tip: After selecting a picture or video to tag, press Ctrl + N instead of clicking Caption to save a little time.
When you hover your mouse over a picture or video in Windows Live Photo Gallery the caption will appear under it.
Did you Know? Captions are embedded into the pictures and video files. If you share the file with a friend they will see the captions too.