IdeaBank is an iPhone application that allows users to save ideas, inspiration, and notes. It includes functions like writing, drawing, taking photos, and annotating idea data. The application also allows users to analyze, list, visualize, edit, delete, and search their stored idea data. The document discusses the iOS frameworks and classes that will be used to build the application, including CorePlot for graphing and MapKit for mapping. It outlines the planned development phases and notes some insights around understanding the technology beforehand and iteratively designing the optimal user interface.