CMM Capability Maturity model it is a type of quality standard.

CMM level means here, the CMM levels are 5

1) Initial : Here concentrate on the team, team should be very strong.

2) Repeatable : Here concentrate on the repeatability and used well defined
guide lines.

3) Measure : Concentrate on the measures and metrics.

4) Documentation : Concentrate on documentation.

5) Optimisation : Concentrate on the research and development activities.

Other important terms are,

CMMI : Capability Maturity Model for Integration, if the companies are producing
IT and Non-IT products then it is CMMI

CMMP : Capability Maturity Model for People these companies give more benefits
to people so people will work more satisfaction.