It's been awhile, but here's something to chew on.
There are a few ways to indicate a character's interior thoughts and feelings in the comics medium. They can remain silent, expressed entirely through the way an artist chooses to portray a character. In that case all one would have to go on is dialogue, and facial/bodily expressions. Another way of showing a character's interior life is through narrative captioning. In this form, thoughts are expressed directly in text narrated by a character itself or perhaps by some unseen omniscient narrator. This method has gained great popularity in superhero comics over the last twenty to thirty years. There is however one very classic method of depicting a character's thoughts that seems to have fallen out of favor as narrative captions have come to dominate: thought balloons.
