title: What is the "watermark" field in TFS?
body: <p>At my currrent workplace, we're using Team Foundation Server (TFS) (2015 I believe), at my current workplace, and I noticed the "Watermark" field -- what does it mean/represent?</p>
  
  <p><a href="https://i.stack.imgur.com/J9gwN.png" rel="noreferrer"><img src="https://i.stack.imgur.com/J9gwN.png" alt="enter image description here"></a></p>