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  2. List of musical symbols - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_symbols

    Musical symbols are marks and symbols in musical notation that indicate various aspects of how a piece of music is to be performed. There are symbols to communicate information about many musical elements, including pitch, duration, dynamics, or articulation of musical notes; tempo, metre, form (e.g., whether sections are repeated), and details about specific playing techniques (e.g., which ...

  3. Euro sign - Wikipedia

    en.wikipedia.org/wiki/Euro_sign

    The symbol € is based on the Greek letter epsilon (Є), with the first letter in the word "Europe" and with 2 parallel lines signifying stability. — European Union [3] The official story of the design history of the euro sign is disputed by Arthur Eisenmenger , a former chief graphic designer for the European Economic Community , who says ...

  4. Khanda (Sikh symbol) - Wikipedia

    en.wikipedia.org/wiki/Khanda_(Sikh_symbol)

    The sword, or (kirpan), represents the warrior code of the Khalsa. The Khanda icon conveys these two principles. It is the military emblem of the Sikhs. It is also part of the design of the Nishan Sahib. A double-edged khanda (sword) is placed at the top of a Nishan Sahib flag as an ornament or finial . In recent years, the Khanda has been used ...

  5. National symbols of China - Wikipedia

    en.wikipedia.org/wiki/National_symbols_of_China

    Symbols of the People’s Republic of China. The national flag of the People's Republic of China was designed by Zeng Liansong. It has a red field charged with five golden stars in the canton. The color red represents the Chinese Communist Revolution, the four smaller stars represent the four social classes in Chinese society, and the largest ...

  6. Sound recording copyright symbol - Wikipedia

    en.wikipedia.org/wiki/Sound_recording_copyright...

    The sound recording copyright symbol or phonogram symbol, ℗ (letter P in a circle), is the copyright symbol used to provide notice of copyright in a sound recording (phonogram) embodied in a phonorecord ( LPs, audiotapes, cassette tapes, compact discs, etc.). [1] It was first introduced in the Rome Convention for the Protection of Performers ...

  7. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    Glossary of mathematical symbols. A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various ...

  8. Radical symbol - Wikipedia

    en.wikipedia.org/wiki/Radical_symbol

    Radical symbol. In mathematics, the radical symbol, radical sign, root symbol, radix, or surd is a symbol for the square root or higher-order root of a number. The square root of a number x is written as. while the n th root of x is written as. It is also used for other meanings in more advanced mathematics, such as the radical of an ideal .

  9. Character (symbol) - Wikipedia

    en.wikipedia.org/wiki/Character_(symbol)

    The Ancient Greek word χαρακτήρ ('charaktēr') is an agent noun of the verb χαράσσω ( charassō) with a meaning "to sharpen, to whet", and also "to make cake", [1] from a PIE root *g'ʰer- "cut" also continued in Irish gearr and English gash, which is perhaps an early loan ultimately from the same Greek root. [2]