complement
complement (complementar)
to add different but matching information, so that two texts together give a fuller picture.
Example
Text 1 tells one worker's story; Text 2 gives statistics on the same problem. (The texts complement each other.)
In Spanish
complement (complementar) — agregar información diferente pero compatible, de modo que dos textos juntos den una imagen más completa.
Text 1 tells one worker's story; Text 2 gives statistics on the same problem. (Los textos se complementan.)