Kathakali's expressive facial expressions are primarily used to convey emotions and enhance the storytelling aspect of the performance, allowing the audience to connect with the characters and the narrative.

Indifference is not a common emotion expressed through Kathakali's facial expressions, as the focus is on conveying strong and intense emotions that contribute to the dramatic narrative.

Drishti Bheda refers to the exaggerated eye movements and wide-open eyes in Kathakali, which are used to convey emotions and enhance the storytelling.

Kathakali recognizes 24 basic facial expressions, known as 'Natyashastra Bhavas', which are used to convey a wide range of emotions and sentiments.

Sanchari is not a type of eye movement used in Kathakali's facial expressions. It refers to the transitional movements between two static poses.

Raudra is the term used for the facial expression that conveys anger and determination in Kathakali.

Katihasta is not a type of smile used in Kathakali's facial expressions. It refers to the hand gesture placed on the waist.

Bhaya is the term used for the facial expression that conveys fear and terror in Kathakali.

Kathakali recognizes 7 types of eyebrows movements, each conveying a specific emotion or sentiment.

Sanchari is not a type of head movement used in Kathakali's facial expressions. It refers to the transitional movements between two static poses.

Shringara is the term used for the facial expression that conveys love and affection in Kathakali.

Patalika is not a type of lip movement used in Kathakali's facial expressions. It refers to the eye movement that conveys surprise or wonder.

Adbhuta is the term used for the facial expression that conveys surprise and wonder in Kathakali.

Kathakali recognizes 4 types of cheek movements, each conveying a specific emotion or sentiment.

Sanchari is not a type of chin movement used in Kathakali's facial expressions. It refers to the transitional movements between two static poses.