In this Part, unless the context or subject matter otherwise
indicates or requires--
"decision" includes a conviction, order or sentence, judgment, opinion,
direction or determination.
"informant" includes a complainant, the Director of Public Prosecutions and
any other person responsible for the conduct of a prosecution.
"material date" in relation to an appeal means--
(a) where the appeal is from the decision of a court, the date on which the decision is pronounced or given, and
(b) where the appeal is from any other person, the date on which notice of the decision was given to the person who wishes to appeal by or on behalf of the person who made the decision.