Instance: the name of the specific area to be monitored, only available on certain counters; an instance is particularly applicable to the Processcounter, as shown in Figure 3.
And, if this process is applied repeatedly, the entire loop can be collapsed into a single synchronized block with a single "counter=10000000" operation.
Take for example a negotiation process where you exchange an offer and a counter offer. You have two options to capture the flow of these two offers correctly