The phrase can suggest something without directly stating it, by implying clear evidence. The empty cookie jar told its own tale of who had been snacking.
Pro Tip 2/3
Observation Clues
Used when what's observed and seen can give information about something or someone. The trophies on the shelf tell their own story of his athletic achievements.
Pro Tip 3/3
No Explanation Needed
Highlights situations where no additional explanation is necessary, as the evidence speaks for itself. The look on her face when she saw the surprise party told its own tale.