Hallucinating on the letter "a"

Spent the week-end in a fog of flu and hallucinating or dreaming or whatever on the lower case letter "a". I kept seeing the rounded top of the letter and then other bits and pieces. Alway in black type but often in different typefaces. In between bouts of sleep I made this, well actually about 4 of these but I think we can stop at one.

"a" is for ......