The Chinese space station is called the Tiangong ("Heavenly Palace") as seen in this article from the Chinese National Space Administration.
The core module that has already launched is called the Tianhe ("Harmony of the Heavens").
The rest of the modules, and details of the space station, can be found here.
Long March, Chinese Chang Zheng, family of Chinese launch vehicles.
says Britannica. They were intended for export, a plausible reason for its builders to take the initiative of translating its Chinese name to one more familiar to their markets.
It is the number of the wheel in morse code. The front right has ..-. (1) and the front left has .-..(2) multiple times on them.
Probably used to identify which wheel made which track on the surface.
If it was used for measuring distance, you'd need different numbers on the same wheel to indicate its rotation.
Was Queqiao in a halo or Lissajous orbit?
It is hard to say which, or even yes or no, because there are so many kinds of Lagrange point orbits possible that can be maintained with a little help from propulsive station keeping, and a specific, definitive answer would require either plenty of orbital tracking data or more information from the spacecraft's ...