E-commerce (electronic marketing) - consists of the buying and selling of products or services over electronic systems.
Open source (software) - computer software for which the source code and some other rights normally reserved for copyright holders are provided under a software license that meets the Open Source Definition or that is in the public domain.
Phishing - a fraudulent attempt to collect sensitive information and is against the law.
Wireframe (for web) - is used to show the layout or structure of a web page and also used to observe information among related content/pages.
Algorithm - is a complex sequence of instructions, that provides step-by-step procedures for solving a problem and may be used for data processing and calculations.
Source: Wikipedia.org, Dictionary