Stanislavski's system emphasizes the actor's inner life and emotional connection to the role, rather than external techniques like vocal projection.

Transformation refers to the actor's ability to fully inhabit the character, both physically and emotionally, and make it believable to the audience.

Method Acting, popularized by Lee Strasberg, encourages actors to immerse themselves in the character's emotions and experiences, often drawing from their own lives.

Physical Expression refers to the actor's use of their body to communicate emotions and ideas, including facial expressions, gestures, and body movements.

Classical Acting, often associated with Shakespearean theatre, emphasizes the actor's technical skills and the delivery of lines, rather than emotional connection to the role.

Vocal Projection refers to the actor's ability to use their voice effectively, including volume, tone, and articulation, to convey emotions, ideas, and character traits.

Brechtian Acting, developed by Bertolt Brecht, encourages actors to break the fourth wall and directly address the audience, often commenting on the play or performance itself.

Imagination refers to the actor's ability to use their imagination to create a vivid and believable world for the audience, including the setting, characters, and relationships.

Naturalistic Acting emphasizes the actor's ability to observe and imitate real-life behavior and experiences in their performances, aiming for a realistic and believable portrayal.

Audience Connection refers to the actor's ability to connect with and engage the audience, creating a sense of empathy and involvement, often through emotional connection and believable performances.

External Acting encourages actors to focus on the external aspects of the character, such as their appearance, mannerisms, and vocal patterns, rather than their inner emotions.

Line Delivery refers to the actor's ability to memorize and deliver lines accurately and convincingly, including intonation, rhythm, and emotional expression.

Physical Acting emphasizes the actor's ability to create a strong physical presence on stage or screen, using movement, gesture, and body language to convey character and emotion.

Truthfulness refers to the actor's ability to create a sense of believability and authenticity in their performances, making the audience believe that they are actually the character they are portraying.

Improvisational Acting encourages actors to use improvisation and spontaneity in their performances, often creating new material on the spot.