I have a list of components and I'm putting a paragraph together which describes that these components have a wide range of values for various properties. So far I've got:
Currently we have a series of reporting solutions, from various eras, written in various languages, deployed throughout the organisation. These reporting solutions have various levels of documentation, adaptability and [how-well-people-understand-them].
I need a word for the [how-well-people-understand-them] and I'm drawing a blank!