Concrete Noun:
* When referring to the state of being alive, "life" can be considered a concrete noun. For example: "She fought for her life." Here, "life" refers to the actual experience of being alive.
Abstract Noun:
* When referring to the general concept of existence, "life" is an abstract noun. For example: "The meaning of life is a question that has puzzled philosophers for centuries." Here, "life" represents a broad concept, not a physical object.
So, the noun "life" can have different interpretations depending on the context.