What steps have been taken to register a domain name?

for example, if I buy a domain name from a domain name registrant (routine cloud, conscience cloud), what does that domain name registrant do behind the payment? What steps have been taken?

Sep.24,2021
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-4a096a8-13a7a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-4a096a8-13a7a.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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