Plot is whatever happens in a story. Plot is built on significant events in a given story. They are significant because they have important consequences. Unimportant events, such as closing a door or braiding your hair are incidents. They don’t have important consequences, unless you are Rapunzel, in which case they are crucial actions. So what makes? Cause and effect. On event leads to another event.
Description enables the reader to experience the “fictional dream”, being pulled into a story so deeply that it becomes more real than the chair the reader sits on. Description is the language used to bring attributes of a thing or person to the reader’s mind. It makes impressions, using all the senses. It is also known as word painting.
How do you go about self-editing? Cutting forces you to decide what truly belongs and what doesn’t. Cut until you end up with a piece that works for you. Now the material you relate to the most, will stand out from the rest. You’re focusing the lens to create a sharper image. You’re discovering where the gaps are and what’s needed to fill them.