Bid`ah

Innovation. In contradistinction to the Sunnah. Refers to any action or belief which has no precedent in or has no continuity with the Sunnah. Any innovation introduced into the established practice of the noble Prophet, particularly relating to acts of worship, is regarded as erroneous according to his saying: "Every innovation (bid`ah) is an error (.dalaalah)."

Bid`ah

From Al-Bada` meaning to create something without precedence. The first type is innovation in matters of the world in technology, medicine, computers, etc. Which is allowed. The second kind is innovation in matters of religion and on this, Islam is harsch, intolerant and repressive.