Thanks Arturo O.... still a little unclear because, whilst I understand that a dependency is different from a mapped field .. dependencies are shown as dotted lines.
And all the lines in the example above are solid ie not dependencies
So it seems that whilst the box shows 4 mapped fields the lines show 9 "somethings" .... when I look at the other end of the solid blue line I see a col which uses the col as an input (which makes sense to me) but then how is that not a mapped field ... is it that in setting up the enrichment I used the enrichment UI to "map fields" (4 of the 9 lines) whilst the other 5 I entered the reference in the destination col dialogue box ?
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