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Searching
https://confluence.atlassian.com/conf61/search-877188175.html
Creating and editing pages
https://confluence.atlassian.com/conf61/create-and-edit-pages-877187519.html
Linking
https://confluence.atlassian.com/conf61/links-877187616.html
Attaching files
https://confluence.atlassian.com/conf61/files-877187861.html
Watching pages
Watch a page to receive email notifications when a comment is added or a page is edited (if "Notify watchers" is checked).
Learn more about watching at https://confluence.atlassian.com/conf61/watch-pages-spaces-and-blogs-877188147.html
Page restrictions
Check the restrictions icon to see if a page is restricted or unrestricted:
= restricted (click the icon to see who can view/edit the page)
= restricted (inherited from an ancestor page - click the icon to see where restrictions are inherited from)
More on restrictions at https://confluence.atlassian.com/conf61/page-restrictions-877187603.html