How to distinguish channels used for data transfer between threads from goroutines in terms of their purpose and functioning?

In Go, goroutines are lightweight threads of execution that are started using the go keyword. They run functions or methods concurrently.

Channels are a means of communication between goroutines, allowing safe data transfer and synchronization.

Main differences:

• Goroutines are code executors that run parallel tasks.
• Channels are data transfer pathways between goroutines, providing message exchange and synchronization.

Example:

 go func() {
    ch <- 42 // send value to channel
}()
val := <-ch // receive value from channel

Thus, goroutines are the "workers," and channels are the "mail" for message exchange between them.