The intensity of this class or set of classes is suitable for all levels of experience (i.e. it is general / open level).
The intensity of this class or set of classes is gentle to moderate. It is suitable for people with no experience of yoga or beginners.
The intensity of this class or set of classes is moderate. It is suitable for people who are generally fit or have some experience with yoga.
The intensity of this class or set of classes is strong. It is suitable for people who are physically fit and have yoga experience.