Write well. Write often. Edit wisely.
Description in fiction paints the story world and characters for readers, gives substance to a world wholly unfamiliar to the readers. Learn some tips for working with description.
Be aware of the trap of making your viewpoint character a mind reader. Characters can’t always guess what others are thinking and the motivations for their behavior.
There is more to story than a character’s thoughts. Be sure to step outside a character’s head so readers can experience a full story that includes action, dialogue, emotion, setting, and thought.