Vim records the location of our cursor after each change we make to a document.
change list
Vim maintains a list of the modifications we make to each buffer during the course of an editing session.
shows that Vim records the line and column number for each change.
g;,g,: traverse backward and forward through the change list.
Marks for the Last Change
references the position of the last change.
tracks the position of the cursor the last time that Insert mode was stopped.