In the manner of a diagram; a graphic representation used to show how something works.(adverb)
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Use "diagrammatically" in a sentence
"Figure 1: The figure represents diagrammatically the key factors, as described in the literature review, which influence the reading development of English and Greek bilingual and monolingual children."
"While not all of the cartoons have survived, the remaining ones are bold compositions of subtle and varied formal structure, each probably capable of being diagrammatically deconstructed to show awe-inspiring complexity."
"The graphics were dynamic in the sense that one could SEE what they were linke to and linked from, and could see diagrammatically where things, again, were linked could group links, show subsets of linkages...."