To cover a range of skill levels, from beginner to soon-to-be expert, content that you may know already is hidden inside expandable sections - sometimes known as accordions - usually marked with a + plus sign.
The navigation menu at the top is split into two general categories:
- ⓘ Info
General information and advice to explain a topic.
- ⌘ Instruction
Specific tuition about how to use a tool to do something.