A decision support system may present information graphically and may include an expert system or artificial intelligence (AI). It may be aimed at business executives or some other group of knowledge workers.
Salsa History. There is a lot to write about salsa history, but don't worry, we will keep it short and simple. Salsa is the result of a musical evolution of various types of Latin rhythms. Salsa is also a dance style which combines many different cultural genres.
The dance. Samba is a lively, rhythmical dance of Brazilian origin in 2/4 time. In ballroom dance there are three steps to every bar, making the samba feel something like a 3/4 timed dance. The timing is one, a-two, with the values about one beat, 1/4 beat, 3/4 beat.