software archaeology
... that software archaeology uses software visualization and other techniques to understand poorly documented legacy software?
... that <b id="mwBd4"><a href="./Software_archaeology" id="mwBd8" rel="mw:WikiLink" title="Software archaeology">software archaeology</a></b> uses <a href="./Software_visualization" id="mwBeA" rel="mw:WikiLink" title="Software visualization">software visualization</a> and other techniques to understand poorly documented <a href="./Legacy_system" id="mwBeE" rel="mw:WikiLink" title="Legacy system">legacy software</a>?