In a direct primary you vote for people running to be their party's nominee.

In an indirect primary, you vote for electors or delegates who will later select the party's nominee.

Direct Primary

primaries

The statue was created in the time Octavian Augustus was emperor. A primary source is direct evidence from people who lived in that time period. In this case the direct evidence is a statue and it is the history of a person. The statue is direct evidence so it is a primary source.

direct observation