What does the reference to "ReX-T" in the main window of ESL Text Generator mean?

Q: What does the reference to "ReX-T" in the main window of ESL Text Generator mean?

A: To let you know about another useful product from Esclepius.

ReX-T is another Esclepius Software LLC product that everybody who's working with Regular Expressions will find very helpful.

Just click on the image ot the bottom of the main window to find out more about ReX-T.