When it is used
Short text is what you get by default. Put a token in a heading, a link label, or anywhere inline, and unless nanoesis spots a more specific use, it becomes a single-line text box.
It is inferred, so you rarely ask for it by name. Reach for it for titles, names, labels and other short, one-line values.
Example
A token in a heading becomes a single-line box:
<h1>{title}</h1>In the editor
In the editor this is a single-line text input: no formatting and no line breaks, just a short value.
If you need more than one line, use text; for formatted body content, use rich text.