My main point is that I think "trazarse" in this context doesn't equate to 'trace' in English. The verb 'trace' *usually* means to record or follow something that already exists. Here's the Merriam Webster entry for the verb:

Main Entry:2trace
Function:verb
Inflected Form:-ed/-ing/-s
transitive verb
1 : to make or record by drawing: as a : DELINEATE, SKETCH, OUTLINE *trace a design for a fresco* b : to form (as characters in writing) with care : write (as letters or figures) carefully or with nicety c : to copy (as a drawing, engraving, or manuscript) by following the lines or letters as seen through a transparent sheet superimposed on the original d : to impress or imprint (as a design or pattern) with or as if with a tracer; also : to make an imprint of such an item for (as a fabric, metal) e : to record (as the movements of a muscle) in the form of a curved, wavy, or broken line : make a tracing of *the cardiograph traces the heart action* f : to make marks or lines on : adorn with tracery, chasing, or other linear ornamentation *traced windows in Gothic churches*
2 archaic : to walk or travel over : to pass through : TRAVERSE *we do trace this alley up and down— Shakespeare*
3 a : to follow the footprints of : pursue the trail of or course or route taken by : track down *trace game to its lair* b : to follow or study out in detail or step by step : outline or present the development, progress, or history of *trace the history of a movement* c : to discover or uncover by going backward over the evidence step by step : ascertain, establish, or attribute as a result of such retracing or reviewing *trace the cause of an epidemic* *traced the failure of the project to indifference* d : to discover traces or signs or evidence of : prove the existence or occurrence of *could not trace the hypothetical source of the Shakespearean play* e : to make out by finding or examining traces or vestiges or remains : come to know, understand, or comprehend by such investigation *trace the former course of a river* *trace him in his word, his works, his ways— William Cowper* f : to find by following traces or the trail of; especially : to ascertain the whereabouts or disposition of (as something passing from hand to hand or place to place) *unable to trace a lost letter or one's relatives* *traced the missing man to Chicago*
4 : to lay out the trace of (a military installation)
intransitive verb
1 : to make one's way : GO: as a : to follow a track, trail, or other indicated way b dialect England : WALK, MARCH, TRUDGE; also : to ramble aimlessly c archaic : to perform dance steps : step a measure d obsolete : to tumble down : fall free
2 : to be traceable historically : go back in time — usually used with to *a family that traces to the Norman conquest*
3 : to record on the cataloguing card for a main entry the headings under which added entries have been made


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Note added at 2 hrs (2010-09-09 09:02:48 GMT)
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