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  2. Key (music) - Wikipedia

    en.wikipedia.org/wiki/Key_(music)

    Key (music) In music theory, the key of a piece is the group of pitches, or scale, that forms the basis of a musical composition in Western classical music, art music, and pop music. Tonality (from "Tonic") or key: Music which uses the notes of a particular scale is said to be "in the key of" that scale or in the tonality of that scale.

  3. Capitalism - Wikipedia

    en.wikipedia.org/wiki/Capitalism

    Capitalism is an economic system based on the private ownership of the means of production and their operation for profit. [1][2][3][4][5] The defining characteristics of capitalism include capital accumulation, competitive markets, price systems, private property, recognition of property rights, self-interest, economic freedom, meritocracy ...

  4. Complex system - Wikipedia

    en.wikipedia.org/wiki/Complex_system

    A complex system is a system composed of many components which may interact with each other. [1] Examples of complex systems are Earth's global climate, organisms, the human brain, infrastructure such as power grid, transportation or communication systems, complex software and electronic systems, social and economic organizations (like cities), an ecosystem, a living cell, and, ultimately, for ...

  5. Hockett's design features - Wikipedia

    en.wikipedia.org/wiki/Hockett's_design_features

    Hockett's design features. Hockett's Design Features are a set of features that characterize human language and set it apart from animal communication. They were defined by linguist Charles F. Hockett in the 1960s. He called these characteristics the design features of language. Hockett originally believed there to be 13 design features.

  6. Hash function - Wikipedia

    en.wikipedia.org/wiki/Hash_function

    Hash functions are used in conjunction with hash tables to store and retrieve data items or data records. The hash function translates the key associated with each datum or record into a hash code, which is used to index the hash table. When an item is to be added to the table, the hash code may index an empty slot (also called a bucket), in ...

  7. Natural science - Wikipedia

    en.wikipedia.org/wiki/Natural_science

    Natural science is one of the branches of science concerned with the description, understanding and prediction of natural phenomena, based on empirical evidence from observation and experimentation. [1] Mechanisms such as peer review and reproducibility of findings are used to try to ensure the validity of scientific advances.

  8. Academic writing - Wikipedia

    en.wikipedia.org/wiki/Academic_writing

    One of the key characteristics of academic writing across disciplines is the use of explicit conventions for acknowledging intertextuality, such as citation and bibliography. The conventions for marking intertextuality vary depending on the discourse community, with examples including MLA, APA, IEEE, and Chicago styles.

  9. Postmodern literature - Wikipedia

    en.wikipedia.org/wiki/Postmodern_literature

    e. Postmodern literature is a form of literature that is characterized by the use of metafiction, unreliable narration, self-reflexivity, intertextuality, and which often thematizes both historical and political issues. This style of experimental literature emerged strongly in the United States in the 1960s through the writings of authors such ...