Abstract Noun:
* When "path" refers to a course of action, a way of life, or a sequence of events, it becomes an abstract noun. For example:
* "He chose a different path in life."
* "The path to success is paved with hard work."
* "The path of history is full of twists and turns."
Concrete Noun:
* When "path" refers to a physical route or track, it is a concrete noun. For example:
* "He walked along the forest path."
* "The path led to the summit."
* "They cleared the path for the new road."
So, the classification of "path" depends on the specific meaning and context of its use.