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1. We played in the cold and salty ocean water on a scorching summer day.
2. A red tide is when harmful algae grow out of control in the ocean and become...
(sorry if i’m too late!)
When you summarize, you take the main points of a story and write in in a few sentences. You want to make sure you hit all the key parts of the story and don't focus on the small details. If you were telling a friend about a movie you saw, you would by describe the major events, but not the little moments. That would be summarizing. You can do this with any book,movie,story etc. :)