#lecture

• Amphitheater — An ancient public building of circular or elliptical shape, with concentric tiers of seats for spectators surrounding a central arena; by modern extension, a large lecture hall, auditorium, or performance space with rows of seats arranged in a semicircle and gradually elevated in tiers to ensure optimal visibility and acoustics.
• Amphitheater — An ancient public building, circular or elliptical in shape, with concentric tiers of seats for spectators arranged around a central arena; in modern architecture, it represents a large lecture hall for university courses, performances, or conferences, having rows of seats arranged as an amphitheater (in elevated tiers) to ensure optimal structural visibility and audibility for all participants.
• To audit — To officially, critically, or methodically listen to a speech, a musical composition, a play, a recording, or an academic lecture; to examine through the sense of hearing. In a legal context, it refers to a judge or investigator hearing a witness's statements, while in higher education it describes attending a class without receiving formal credit.
• Auditor — A person who attends university lectures or classes without being officially enrolled as a regular student and without taking examinations for credit; auditor. As a rare or archaic adjective, it describes an entity listening attentively, manifesting deep receptivity towards the speeches or arguments presented.
• Female auditor — The feminine form of the word 'audient'; a woman who attends lectures or conferences at a higher education institution without being officially enrolled. As an adjective, it describes a feminine entity listening with utmost attention and receptivity.
• Auditorium — The totality of people listening to a lecture, speech, concert, or watching a show; the gathered audience or spectators. By extension, the term designates the large hall, amphitheater, or specially designed space where these public events or university courses take place.
• Auditorium — A large hall, amphitheater, or vast space located within a university, academy, or institution of higher education, intended for festive lectures, solemn conferences, university openings, or the awarding of academic degrees. In Greco-Roman antiquity, it designated an inner courtyard or a royal palace.