Technology Readiness Level (TRL)  is type of measurement system developed by NASA to assess the maturity level of a particular technology. Used mainly to assess the readiness of individual technological components to operate in a larger technology system.  Because of the specific context, it cannot readily be mapped on to the Frascati definitions of R&D.

According to KTH Innovation Readiness Level, Technology = Product/service/method/system/technology/solution etc. The “thing”, or tangible realization of the idea, that you want to develop.

Summary of Technology Readiness Levels are given below: