What does Nehemiah 12:39 mean?

They continued over the Gate of Ephraim, the Old Gate, the Fish Gate, the Tower of Hananel, and the Tower of the Hundred, all the way to the Sheep Gate. They stopped at the Gate of the Guard. Nehemiah 12:39 - Modern Text Bible

(The route is described in detail, highlighting the restored gates and towers. This shows the completeness of the city’s renewal.)