D.W. Griffith's groundbreaking work, particularly his 1915 film 'The Birth of a Nation,' revolutionized storytelling techniques and established him as a pivotal figure in cinema history.

Celluloid film, made from nitrocellulose, was the standard medium for recording and projecting motion pictures in the Silent Era.

In the absence of dialogue, actors relied heavily on pantomime, exaggerated gestures, and facial expressions to convey emotions and advance the narrative.

The Jazz Singer, starring Al Jolson, was the first feature-length film with synchronized dialogue, revolutionizing the film industry and marking the transition to the era of sound films.

Westerns were a highly popular genre during the Silent Era, capturing the imagination of audiences with their rugged landscapes, epic conflicts, and iconic cowboy characters.

Universal Pictures, founded by Carl Laemmle, was a prominent film studio during the Silent Era, producing a wide range of films, including Westerns, comedies, and horror films.

Cross-cutting, also known as parallel editing, was a technique pioneered by D.W. Griffith, where two or more scenes are intercut to create a sense of simultaneity and build suspense.

F.W. Murnau, a German filmmaker, gained international acclaim during the Silent Era for his visually stunning and psychologically complex films, such as 'Nosferatu' and 'Sunrise'.

Comedy, particularly slapstick comedy, was a popular genre during the Silent Era, with comedians like Charlie Chaplin, Buster Keaton, and Harold Lloyd captivating audiences with their physical humor and comedic timing.

André Bazin, a French film critic and historian, is widely recognized for developing the auteur theory, which focuses on the director's unique artistic vision and style as the defining element of a film.

Sergei Eisenstein, a Soviet filmmaker, gained international recognition for his groundbreaking editing techniques and montage sequences, particularly in his films 'Battleship Potemkin' and 'October'.

Metropolis, directed by Fritz Lang, is widely regarded as a masterpiece of the Silent Era, known for its futuristic visuals, complex narrative, and social commentary.

French Impressionism, a film movement of the Silent Era, emphasized realism, psychological exploration, and social commentary, with notable filmmakers such as Jean Renoir and Marcel L'Herbier.

Oscar Micheaux, an African-American filmmaker, produced and directed a series of short films and documentaries during the Silent Era, addressing social issues and celebrating African-American culture.

Close Up, a film journal founded in 1929, played a significant role in shaping film criticism and theory during the Silent Era and beyond, with contributions from notable critics and filmmakers.