Question

what is a sequence and what do you mean by sequence

Answer 1

Here's your answer friend :)

In a sequence structure, an action, or event, leads to the next ordered action in a predetermined order. The sequence can contain any number of actions, but no actions can be skipped in the sequence. The program, when run, must perform each action in order with no possibility of skipping an action or branching off to another action.
I hope you find it helpful.

Answer 2

according to computer subject;
" sequence" is a type of programming structure.
it's one of the basic logic structure in computer programming.in a sequence an action leads to the next ordered action in a predetermined order.....hence,the term Sequence can be applied for a video,audio or graphics.