Final answer:
Financial databases, lessons learned, and other such repositories of information are components of a corporate knowledge base, serving as a central hub for organizational knowledge.
Step-by-step explanation:
Financial databases, lessons learned, issue and defect management databases, and previous project files are all considered components of the corporate knowledge base. This term refers to the repository of information held by an organization that can be used to improve processes, increase efficiency, and facilitate project management efforts. A corporate knowledge base encompasses various types of data and documents that are critical for the historical record and future planning within a company, including insights from past projects and information on current standards and policies which may influence decision-making.