Jepp chart glossary question

[AWACoff]

What does ATS mean? It is used a couple of times in the chart glossary.

"Controlled airspace is a generic term which covers ATS airspace Classes A, B, C, D, E."

 

[Timebuilder]

From Dale Crane's "Dictionary of Aeronautical Terms", third edition, p.44:

ATS Route (ICAO). A specified route designed for channeling the flow of traffic as necessary for the provision of Air Traffic Services .