what called this side lights ? and how to make it ? any tutorial?

[anouab19920213]

[Monika Gause]

So you have an artwork and want to add this kind of lighting to it? Can you show the artwork?

[Ton Frederiks]

A neon effect? Some can be found as Graphic Styles.

[Dave Creamer of IDEAS]

It _looks_ like a variable width line with a blur effect applied to it to emulate a backlight.