clock vector(A collection of clock vector elements that represents updates to a replica. Any change that occurs between 0 and the tick count is contained in the vector)
vector path(The basis for all vector objects. A path is made up of one or more line segments connected by two or more anchor points. Paths can be made from a combination of straight lines and curves, each of which may be made up of many connecting points. All paths can be stroked or filled)