Định Nghĩa và Ý Nghĩa của "cutting edge"

What is the origin of the idiom "cutting edge" and when to use it?

The idiom "cutting edge" originated in the mid-19th century and is used to describe the forefront or leading position in a particular field or area of activity. The phrase draws upon the concept of a sharp cutting tool or instrument, which represents the most advanced or innovative practices, technologies, or ideas within a given context. It signifies being at the forefront of progress, often associated with pioneering advancements and pushing the boundaries of knowledge or development.