POC(Proof of concept): Letting the company expose their product to a company and proving the eligibility of the product in company systems.
RIA(Rich Internet Application): This is aimed to implement functional software in web applications. In J2EE this can be related to JSF, ZKoss frameworks.
SRS(Software Requirements Specification): is a comprehensive description of the intended purpose and environment for software under development. The SRS fully describes what the software will do and how it will be expected to perform.