What's the difference between traditional Chinese characters and Lian?

The traditional Chinese character of Hui nationality is "Huan".

According to the Table of Chinese Characters for General Norms, which was promulgated and implemented by the State Council on June 5th, 20th13rd, the Table of Standardized Chinese Characters, Traditional Chinese Characters and Variant Chinese Characters.

Next to the word "light", on the right is the traditional "army", which is the "car" department in the calligraphy dictionary.

Next to the word "fire", there is a traditional "army" on the right. In the calligraphy dictionary, it is the part of "fire", and the corresponding simplified word is Hui.