To create a header, place "hn. " at the start of the line (where n can be a number from 1-6).
Text effects are used to change the formatting of words and sentences.
Most of the time, explicit paragraph breaks are not required - Confluence will be able to paginate your paragraphs properly.
Lists allow you to present information as a series of ordered items.
Images can be embedded into Confluence pages from attached files or remote sources.
Tables allow you to organise content in a rows and columns, with a header row if required.
More advanced text formatting.
Ways to include, summarise or refer to other Confluence content.
Ways to include, summarise or refer to content from other servers.
Various other syntax highlighting capabilities.
Macros allow you to perform programmatic functions within a page, and can be used for generating more complex content structures.