1. Area of Knowledge or Expertise:
* "Her domain is art history." This means that she is an expert in art history.
* "Physics is outside my domain." This means that the speaker is not knowledgeable about physics.
2. Territory or Area of Control:
* "The king's domain stretched across many lands." This means that the king controlled a vast area of land.
* "This is my domain - get out!" This means that the speaker feels that the area is theirs and they don't want others there.
3. Internet Address:
* "My website domain is example.com." This refers to the specific internet address used to access the website.
4. Mathematical Set:
* "The domain of the function is all real numbers." This refers to the set of all possible input values for a mathematical function.
5. Part of a Word:
* "The prefix 'pre-' is a domain." This means that 'pre-' is a common part of words that creates a specific meaning.
To understand the meaning of "domain" in a particular sentence, pay attention to the context and what is being discussed.