👉 In programming, a "channel" refers to a data structure that can be easily accessed and manipulated by other elements in the same program. Channels are typically used to transfer data between two or more parts of a program, usually through communication channels. For example, consider a simple data structure like a vector (a list in C++) where you have three elements: `a`, `b`, and `c`. You can create a channel called `myChannel` that can send and receive data from other