Definicija: Proceedings of relative formality, with definite issues of fact or of law to be tried, in which witnesses are heard and parties proceeded against have right to be heard.

Definicija: Procesno dejanje v sodnih in upravnih postopkih, s katerim skuša sodišče ali upravni organ z ustnim izpraševanjem določenih oseb ugotoviti dejansko stanje oz. dejstva, pomembna za odločitev.