Tempo means the speed at which a piece of music should be played. As with many other musical terms, Italian words are used to describe different tempos of music. The tempo is written above the ...
As the culture of western music effectively transported itself from Italy, it's no surprise that many of the classical terms used to describe tempo and speed in music are descriptive in nature.
Tempo and stylistic feel are often indicated in classical music by Italian terminology. This is a video about tempo and the Italian terminology used to describe it.