It is important to note, however, that the first explanation of this practice is in the context of an essay about vocal expression and intelligibility; in fact, it is largely the aim of textual intelligibility that led to the development of this musical style and the music of the common practice era.

For an explanation of this practice, see filiation.

There is no generally accepted explanation of this practice, and there are examples both from within and outside the Danelaw area.

The first comprehensive theological explanation of this practice of baptizing infants, guilty of no actual personal sin, was given by Saint Augustine of Hippo, not all of whose ideas on original sin have been adopted by the Catholic Church.

The overbooking section is a useful, concise explanation of this practice, the rules that govern it and what the passenger is entitled to.

Another explanation of this practice is that historic gold coins were usually alloyed with silver and copper which make them harder than pure gold and less prone to wear.

For an explanation of this practice, see Health.com's interview with leading pain expert, Russell K. Portenoy, MD. "You have to be there every 30 days, or you have to actually go there to get it refilled," says Cowan.