Q&A. While we often think of expenses as salaries, advertising, rent, interest, and so on, the cost of goods sold is also an expense. The cost of goods that were sold needs to be matched with the pertinent sales on the income statement, just as commission expense must be matched with sales or other revenues.
In music, an octave (Latin: octavus : eighth) or perfect octave is the interval between one musical pitch and another with half or double its frequency. It is defined by ANSI as the unit of frequency level when the base of the logarithm is two.or example, if one note has a frequency of 440 Hz, the note an octave above it is at 880 Hz, and the note an octave below is at 220 Hz.
n (music) a series of notes differing in pitch according to a specific scheme (usually within an octave) the entire scale of musical notes. a scale with eight notes in an octave; all but two are separated by whole tones. a 12-note scale including all the semitones of the octave. a musical scale with fewer than seven notes. a gapped scale with five notes; usually the fourth and seventh notes of the diatonic scale are omitted. any of various fixed orders of the various diatonic notes within an octave.