1.
what is a tune? :

2.
what does staccato mean? :

3.
what does beat mean? :

4.
what is an octave? :

5.
what is the diaphragm? :

6.
what is rhythm? : :

7.
what are articulators? : :

Tune: a pleasing succession of musical tones.Staccato: an Italian term meaning the notes are played in a short and detatched manner.Beat: the main rhythmic unit in a musical piece (basically what you tap your foot to).Octave: the interval between eight notes (so on a piano, the an octave above C is the higher C, eight notes above it.)Diaphragm: The chief muscle of breathing (and powerful singing) which is the muscle that separates the chest cavity from the abdomen.Rhythm: a repeated pattern of sound in a musical piece.Articulators: any of the vocal organs above the larynx, including the tongue, lips, teeth, and hard palate.

Hope I helped :)