Skip - Function Summary
Returns the series forward or backward from the current position.
skip series offset
series - The series argument. (must be: series port)
offset - Can be positive, negative, or zero. (must be: number logic pair)
For example, SKIP series 1 is the same as NEXT. If skip attempts to move beyond the head or tail it will be stopped at the head or tail.
at - Returns the series at the specified index.