A note's duration is indicated by ​

In music its  a note value indicates the relative duration of a note, using the texture or shape of the notehead, 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.

Explanation:

c. funds and donations.

non-profit organizations require these to be able to be a non-profit  organizations.