title: Paint.getTextWidths. What is advance width?
body: <p>What is advance width?</p>
  
  <p>The term comes up in the android class <code>Paint</code>, specifically the function <code>getTextWidths()</code>.
  The documentation states <em>“Return the advance widths for the characters in the string”</em>.</p>
  
  <p>what is the “advance widths?”</p>