Most musical terms are written in Italian.<span />
a piece of music sung or played in the open air, typically by a man at night under the window of his lover.
In music, a serenade is a musical composition and/or performance delivered in honor. Serenades are typically calm, light pieces of music. The term comes from the Italian word serenata, which itself derives from the Latin word serenus.
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The SI unit of pressure is Pascal (represented as Pa) which is equal to one newton per square metre (N/m -2 or kg m -1 s -2). Interestingly, this name was given in 1971. Before that pressure in SI was measured in newtons per square metre.
Abstract art was created at the cusp of the 20th century. It is an art style that breaks away from drawing art as it is represented in real life. Abstract art is about exploring form and color. One could even venture to say that it is artists drawing how they feel. Abstract art isn't about making perfect copies of real life. Sometimes, it isn't even about giving the impression of real life without all the little details. In fact, depending on the artists, abstract art became about the process itself. Representational would mean that you draw what you see. Abstract art is far from that concept.