diagrammatic

adj

1. In the form of a diagram.

   “Moreover, a diagrammatic map of the electrified area is repeated at the top of every page.”

   “He sits facing a diagrammatic wall map of the area under his supervision.”

   “What we need is some way of representing all this information about constituent structure in diagrammatic form. In fact, this can be done in terms of a tree diagram [...]”

2. Of or pertaining to a diagram or to diagrammatics.

   “diagrammatic accuracy”