BTW

Obiter dictum /{smm}o{shtu}b{shti}d{schwa}r {sm}d{shti}kt({schwa})m/ – [< classical Latin obiter dictum something said by the way < obiter OBITER adv. + dictum DICTUM n.]

An incidental statement or remark; something said by the way. Freq. (Law): an opinion expressed by a judge in discussing a point of law or in giving a judgment, which is not essential to the decision, and which therefore lacks binding authority.