title: Would you call it level or depth?
body: <p>Which word would you pick to label the absolute stack level of an element—in other words its degree of nesting relative to the root/document element?</p>
  
  <p>Between <strong>level</strong> and <strong>depth</strong> which one would you choose and why? What is commonly used or preferred? Which one would you find less confusing in the absence of a meaningful context?</p>
  
  <p>I tried checking the <a href="http://www.w3.org/TR/REC-xml/" rel="noreferrer">XML specification</a> without much success.</p>