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reading the project…
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In the plot: Tab and Shift Tab move to the next and earlier item, the arrow keys follow a line, Enter centers the graph on the item, F fits the drawing to the page.
thin line: contains thick arrowed line: published by the run dashed line: proposed box: folder circle: file heavy outline: the center tinted band: one ladder, its color bound in the list on the right magenta halo: an experiment in one of your topics