Succeeding or following in order.

A function whose output value depends not only on its current input values, but also on previous input values. That is, the output value depends on a sequence of input values.

Relating to, or arranged in a sequence. Used in relation to switching of camera inputs to a monitor so as to display different camera scenes one at a time in a sequential manner or repetition.

the order in which a series of related things or events follow each other