Language change is the process by which languages change over time. This can include changes in grammar, vocabulary, and pronunciation.

The three main types of language change are sound change, grammatical change, and lexical change. Sound change is the change in the way words are pronounced, grammatical change is the change in the way words are used in sentences, and lexical change is the change in the meaning of words.

Language death is the process by which a language becomes extinct. This can happen when a language is no longer spoken by any native speakers, or when it is replaced by another language.

All of the above factors can contribute to language change. Contact with other languages can lead to the borrowing of words and phrases, social and cultural changes can lead to changes in the way language is used, and technological changes can lead to the development of new words and phrases.

Language borrowing is the process by which a language borrows words and phrases from another language. This can happen when two languages come into contact with each other, or when a language is influenced by another language through media or other forms of communication.

Semantic change is the process by which a language changes in meaning over time. This can happen when a word or phrase takes on a new meaning, or when the meaning of a word or phrase changes over time.

Grammatical change is the process by which a language changes in grammar over time. This can happen when the rules of grammar change, or when the way words are used in sentences changes.

Sound change is the process by which a language changes in pronunciation over time. This can happen when the way words are pronounced changes, or when the sounds of a language change.

Lexical change is the process by which a language changes in vocabulary over time. This can happen when new words are added to a language, or when the meaning of words changes over time.

Pragmatic change is the process by which a language changes in usage over time. This can happen when the way words are used in different contexts changes, or when the rules of politeness change.

Syntactic change is the process by which a language changes in structure over time. This can happen when the way words are arranged in sentences changes, or when the rules of grammar change.

Semantic change is the process by which a language changes in meaning over time. This can happen when a word or phrase takes on a new meaning, or when the meaning of a word or phrase changes over time.

Grammatical change is the process by which a language changes in grammar over time. This can happen when the rules of grammar change, or when the way words are used in sentences changes.

Sound change is the process by which a language changes in pronunciation over time. This can happen when the way words are pronounced changes, or when the sounds of a language change.

Lexical change is the process by which a language changes in vocabulary over time. This can happen when new words are added to a language, or when the meaning of words changes over time.