Oracle Database 12: Architecture Diagram

I found the following Database Architecture Diagram for Oracle Database 12c on Oracle Education's website. It lists all the processes and the relationship between processes and other database components. I recommend you to take a print on A3 paper.

And below is a YouTube link which gives database architecture overview.

Oracle Database 12c Architecture Overview


Update - 1 (11-Jul-2013):

Below is Oracle Database 12c Multi-Tenant Architecture Diagram: