Possible definition from Wikipedia:
"A top-level domain (TLD) is the last part of the domain name, that is, the last label of a fully qualified domain name. For example, in the domain name www.example.com, the top-level domain is com."
https://en.wikipedia.org/wiki/Top-level_domain
Possible definition from Wikipedia:
"A top-level domain (TLD) is the last part of the domain name, that is, the last label of a fully qualified domain name. For example, in the domain name www.example.com, the top-level domain is com."
https:/ /en.wikipedia. org/wiki/ Top-level_ domain