Sociolinguistic typology is the study of how social factors influence language use and variation. Key concepts in this field include speech community, dialect, and register, all of which are related to the social and linguistic variation found within a language.

A speech community is a group of people who share a common language, culture, and history. This shared background influences the way that they use language, including their pronunciation, grammar, and vocabulary.

A dialect is a regional, social, or historical variety of a language. Dialects differ from each other in terms of their pronunciation, grammar, and vocabulary. They can also differ in terms of their social meaning and use.

A register is a variety of language used in a particular situation, by a particular social group, or for a particular purpose. Registers can differ from each other in terms of their vocabulary, grammar, and pronunciation.

Sociolinguistic variables are linguistic features that vary according to social factors such as region, social class, or gender. Examples of sociolinguistic variables include the use of certain words, pronunciations, or grammatical structures.

Social factors such as region, social class, and gender can influence language variation. For example, people from different regions may pronounce words differently, and people from different social classes may use different vocabulary and grammatical structures.

Sociolinguistics is the study of language variation and its relationship to social factors. It is a subfield of linguistics that examines how language is used in different social contexts and how it varies according to factors such as region, social class, and gender.

Dialects are regional varieties of a language that differ from each other in terms of their pronunciation, grammar, and vocabulary. Accents, on the other hand, are social varieties of a language that differ from each other in terms of their pronunciation.

Speech communities are groups of people who share a common language and a common set of norms and conventions for using that language. Language communities, on the other hand, are groups of people who share a common culture and a common set of values and beliefs.

Diglossia is a situation in which two languages are used in a society, with one language being used for formal purposes and the other language being used for informal purposes. Bilingualism, on the other hand, is a situation in which one person speaks two languages.

Pidgins are simplified languages that develop when two groups of people who do not share a common language need to communicate. Creoles, on the other hand, are full-fledged languages that develop from pidgins when they are adopted by a community of speakers as their native language.

Standard languages are languages that are used in education and government, are used by the majority of people in a society, and are prestigious. Non-standard languages, on the other hand, are languages that are not used in education and government, are not used by the majority of people in a society, and are not prestigious.

Languages are mutually intelligible, meaning that speakers of different languages can understand each other to some extent. Dialects, on the other hand, are not mutually intelligible, meaning that speakers of different dialects cannot understand each other.

Language families are groups of languages that are related to each other through a common ancestor. Language groups, on the other hand, are groups of languages that are spoken in a particular region.