In college I usually used the Summaries for helping me in study. I usually had a summary for each chapter and it was always what I used for reviewing the guidelines of the whole chapter.
When I started to use the blog and the internet as tool for my work I always like to review the main concepts that goes around a theme or topic.
With it I like the post entries and web pages that list tips in different formats about different interesting topics.
I will tag them “Summary’s Tips”