We typically describe classes as Deliberate, Moderate or Accelerated. Please use these labels as general guidelines when attempting a class, but do what feels right for your body and ability.
"Deliberate" classes are intended to challenge you by connecting you to the work. The teacher may include more details about the form or movement of an exercise, or the teacher may slow the tempo of an exercise. In a "deliberate" class, an instructor may pause within a class more frequently to explain a concept or a movement pattern.
a class marked "Deliberate" may be challenging or easy, so, pay attention to the Level of the class as well as the Pace of the class.
"Moderate" classes assume a basic level of competency of the exercises being taught. There is a greater focus on flow and continuous movement compared to some deliberate classes. The moderate class allows for necessary pauses (for example, if a movement needs clarifying), but limits stopping as much as possible in order to achieve flow in the class.
An "Accelerated" class is designed to challenge precision and control while increasing the heart rate and the level of concentration required. These classes tend to be taught at a higher level but may also be found at lower level classes. With the exception of a few specialty classes, the assumption is that the exercises are familiar to the student.