In the context of Noam Chomsky's linguistic theory, 'generative' refers to the ability of a formal system of rules to explicitly define and produce the infinite set of grammatical sentences in a language. This framework accounts for how speakers develop linguistic competence, predict grammatical structures, and generate novel utterances, encompassing all these functional aspects of language acquisition and usage.

In English orthography and lexicography, a hyphen is the conventional symbol used to separate a word into its constituent syllables. This practice is common in dictionaries to assist readers with pronunciation and in word processing for line-breaking rules. While other symbols like slashes are used in phonetic transcription, the hyphen remains the standard for indicating syllabic breaks in written text.

Noam Chomsky began developing his revolutionary ideas regarding Transformational-Generative Grammar around 1950. This period marked the beginning of a paradigm shift in linguistics, moving away from behaviorist models toward a cognitive approach that prioritized the mental processes involved in language acquisition.

Noam Chomsky's 'Syntactic Structures' (1957) introduced the initial framework for transformational grammar, while 'Aspects of the Theory of Syntax' (1965) significantly expanded and refined the Standard Theory of generative grammar. Both works are considered seminal texts in the development of the field, making 'Both a and b' the correct identification of these foundational contributions.

Noam Chomsky, the father of generative grammar, proposed that human language is characterized by its recursive nature. He argued that a finite set of rules and a finite vocabulary allow speakers to generate an infinite number of unique, grammatically correct sentences, which is a core concept in his theory of Universal Grammar and transformational syntax.

Chomsky's concept of performance refers to the actual use of language in specific, real-world situations. This is distinct from 'competence,' which represents the speaker's underlying, idealized knowledge of the language's grammatical rules. Performance is often subject to external factors like memory limitations, distractions, or slips of the tongue, which do not necessarily reflect a lack of linguistic competence.

In his 1965 work 'Aspects of the Theory of Syntax,' Noam Chomsky introduced the distinction between 'acceptable' and 'unacceptable' to describe native speakers' intuitions about sentence grammar. These terms relate to a speaker's judgment on whether a sentence conforms to the rules of the language. This concept is crucial in generative grammar for distinguishing between grammatical competence and the actual usage of language.

Transformational-Generative Grammar, introduced by Noam Chomsky, provides a formal framework for understanding how speakers generate an infinite number of sentences from a finite set of rules. This theory emphasizes the underlying mental structures that enable human language production and comprehension.

Concord, also known as agreement, refers to the requirement that different parts of a sentence must match in grammatical features such as number, person, or gender. For example, subject-verb agreement ensures that a singular subject takes a singular verb form, maintaining the structural integrity of the sentence.