Is a time line illustrative evidence? Walter Witness testifies, "I have drawn a little chart to illustrate my testimony about the order in which things happened between David and the clerk."
Is a time line simply testimonial evidence? Walter Witness, in response to a question about the order of events between David and the clerk, testifies, "I'm not very good with words. But I was there and I can draw you a picture or sketch of the order in which things happened. Do you want to see my little sketch?"
Is a time line scientific evidence? Expert Knowledge testifies, "I subjected the videotape to microscopic analysis; I literally used a microscope -- and a sound amplifier -- to study the videotape. This chart shows what the clerk said and what David said and the order in which they spoke."