How to write a summary

We have been discussing some strategies for writing a summary.
Compare the ideas we have discussed so far to the ideas presented in this video.
Is there anything different?
Is there anything you don't agree with?

Writing summaries

Before we start working on summary writing, let's brainstorm some ideas about it:

• What is a summary? 
• What is the social function of summaries?
• Why are they important?
• Why do you write/read summaries?
• What are the characteristics of a good summary?