top-level domain

Deductions

• identifier is for example top-level domain ⇐ (top-level domain is a identifier), (is a is inverse of is for example)
• top-level domain is for example .us ⇐ (.us is a top-level domain), (is a is inverse of is for example)
• top-level domain is for example .uk ⇐ (.uk is a top-level domain), (is a is inverse of is for example)
• top-level domain is for example .za ⇐ (.za is a top-level domain), (is a is inverse of is for example)
• .uk is a top-level domain ⇐ (country code top-level domain is subclass of top-level domain), (.uk is a country code top-level domain)
• .us is a top-level domain ⇐ (country code top-level domain is subclass of top-level domain), (.us is a country code top-level domain)
• .za is a top-level domain ⇐ (country code top-level domain is subclass of top-level domain), (.za is a country code top-level domain)