I realize this is a bit 'meta' but I wanted to highlight the usefulness of the Canvas guides. Each of the guides has a table of contents that makes it really easy to find the topic you are looking for. Below is a Google Doc on using the Canvas guides:
I recommend bookmarking the Canvas Instructor Guides -- you'd be surprised how many questions the folks at Instructure have already answered for us! Each of the guides are clearly written and include screenshots with annotations.
Feel free to share with others or make a copy for yourself to distribute at your institution!