Column headings Column headings appear at the top of each list column. These headings display column names and provide some list actions. The available actions are different for v3 and v2 lists. In List v3, several of the actions are moved to the list title menu. Column headings in List v2Column headings appear at the top of each column in List v2.Column headings in List v3Column headings appear at the top of each column in List v3.