"bits and pieces" 的定义和意义

What is the origin of the idiom "bits and pieces" and when to use it?

The idiom "bits and pieces" is a common idiom that likely originated from the natural human tendency to use the words "bits" and "pieces" to describe small, fragmented, or scattered items or fragments. This expression is often used when discussing various components or fragments without specifying each individual one, conveying the idea of a mixture of small things.