Answer is: <span>D.) p.
</span>p<span> or </span>piano<span> meaning "soft".
</span>mp -<span> standing for </span>mezzo-piano<span>, meaning "half soft".
</span>mf -<span>standing for </span>mezzo-forte<span>, meaning "half loud".
</span><span>ff - standing for fortissimo and meaning "very loud".
</span>Piano<span> affects the dynamics (or volume) of a musical composition and is an indication to play louder than </span>pianissimo (pp<span>), but softer than </span>mezzo piano<span>.</span>
As early as the Renaissance and Baroque Periods, composers have started to be freelance in music. Wolfgang Amadeus Mozart worked as a freelance composer and performer in Vienna. Joseph Haydn Haydn, also a composer, music teacher and musician made struggles as a freelancer he educated himself all throughout the process before he became well-known. Ludwig van Beethoven was also a freelance composer in Vienna.
Violet is in design since in design, most designers use the use of using their own drawing design or perspective. With the use of computer- aided technology it makes it useful for designing for animation or the use of different shapes and sizes.
Hope that answers your question!