Englishfor English speakers
covariant
—
adjective
changing so that interrelations with another variable quantity or set of quantities remain unchanged
domain
Noun
—
A domain is a field or area of knowledge or skill, or of where a rule is in force.
The question of whether there is a god or not is not within the domain of science.
The copyright is expired and the book is now in the public domain.
—
A domain is a large area owned by a person or controlled by a government.
The Royal Domain of Drottningholm stands on an island in Lake Mälar in a suburb of Stockholm.
—
A domain (name) is a group of internet addresses or URLs that share the same last section (e.g., nowikihttp://simple./nowikiuwiktionary.org/u/wiki/domain is in the wiktionary.org domain.)
If you want to set up a web site, the first step is probably to register a domain name such as amazon.com or google.com.