Note value Note value In music notation, a note value indicates the relative duration of a note, using the texture or shape of the "note head", the presence or absence of a "stem", and the presence or absence of "flags/beams/hooks/tails". Unmodified note values are fractional powers of two, for example one, one-half, one fourth, etc. A rest indicates a silence of an equivalent duration. The breve appears in several different versions, as shown at right. The first two are commonly used; the third is a stylistic alternative. Sometimes the longa or breve is used to indicate a very long note of indefinite
Debit note Debit note A debit note or debit memorandum (memo) is a commercial document issued by a buyer to a seller as a means of formally requesting a credit note. Debit note acts as the Source document to the Purchase returns journal. In other words it is an evidence for the occurrence of a reduction in expenses. The seller might also issue a debit note instead of an invoice in order to adjust upwards the amount of an invoice already issued (as if the invoice is recorded in wrong value). Debit notes are generally used in business-to-business transactions. Such transactions often