Don't tell people everything you know. Transitions, Variety, Brevity Transitions smooth the way Thoughts often don't quite fit together. Just as bricks need mortar to create a wall, thoughts need transitions to be coherent.
Transitions can be as short as a single word or stretch out to a length of several sentences.
The fire was in a big building. The fire happened quickly. The fire burned down the big building. A lot of people were hurt. The fire killed several people.