Suggest an editImprove this articleRefine the answer for “What is a leaf (leaf)?”. Your changes go to moderation before they’re published.Approval requiredContentWhat you’re changing🇺🇸EN🇺🇦UAPreviewTitle (EN)Short answer (EN)**A leaf** is a tree node that has no children. **Key point:** a leaf is a node where the downward path no longer continues, the final node of a tree.Shown above the full answer for quick recall.Answer (EN)Image**A leaf** is a **tree node that has no children**. **Characteristics:** - A leaf is an "end point" of the tree. - It has **no outgoing edges**. - Every path through the tree **ends** at a leaf. **Example:** ```javascript A / \ B C / \ D E ``` Here `D`, `E`, and `C` are leaves, because there are no other nodes below them. **Properties:** - Every tree has **at least one leaf**. - The number of leaves shows how "branched out" a tree is. **Summary:** **A leaf** is a node where the downward path no longer continues, the **final node of a tree**.For the reviewerNote to the moderator (optional)Visible only to the moderator. Helps review go faster.