What is the meaning of a mask?

A mask is an object that is typically worn over the face, primarily for protection, disguise, performance, or entertainment. Masks have been used throughout history for various purposes. There are different types of masks, and they serve different functions:

1. Protective masks: These are designed to filter out harmful substances from the air to protect the wearer from inhaling them. Examples include surgical masks, N95 respirators, and gas masks.

2. Disguise masks: Masks used to cover the face to conceal the wearer's identity. They are often used in costumes, for festivities like Halloween, or in historical contexts for masquerade balls.

3. Performance masks: Utilized in theatre, dance, and other performing arts to portray different characters, express emotions, or tell stories. They can vary widely in style depending on the cultural and artistic context.

4. Ritual or ceremonial masks: These are often used in religious or cultural ceremonies to represent deities, spirits, or ancestors. They can be crafted with elaborate designs and are significant in various cultural traditions around the world.

5. Sports masks: Designed to protect athletes' faces and heads during sports activities. For example, fencing masks or hockey goalie masks.

6. Therapeutic masks: Used for health treatments, such as facial masks for skincare or eye masks for relaxation and better sleep.