In foreign countries, the composition of names is as follows: Christian name+self name+surname, Christian name and self name are personal names. According to the custom of English speakers, when babies are baptized, they are usually named by priests or parents or relatives, which is called Christian names. I can take a second name after my Christian name in the future.
For example, William Jafferson Clinton. The middle name is given by foreigners in memory of someone in the family, and can't be given casually.
The expression of English names:
1, personal name
Take the names in the Bible, Greek and Roman mythology, ancient celebrities or literary masterpieces as Christian names. The names of ancestors' native places, mountains and rivers, birds and animals, fish and insects, flowers and trees are adopted as Christian names. Different variants of Christian names. Take a nickname. Create new Christian names with word formation, such as inversion and merger.
2. Nicknames
Nicknames, including nicknames, abbreviations and nicknames, are often used to express goodwill between friends and relatives of English speakers and come from Christian names.