universal, encompassing any conceivable kind of information from any source

flexible, able to work with any project or activity you take on, now and in the future

simple, not requiring any time-consuming maintenance, cataloguing, tagging, or reorganizing beyond a bare minimum

actionable, integrating seamlessly with task management and project management methods

cross-platform, able to be used with any application, now existing or yet to be developed

outcome-oriented, structuring information in a way that supports the delivery of valuable work

modular, allowing different levels of detail to be hidden or revealed, depending on the needs of the current task

opportunistic, in the good sense, taking advantage of work already being performed, instead of requiring dedicated overhead time