Things you do, rather than things that happen to you
Every practice in this axis is an action with a beginning and an end. You strike a bowl, or you pour water, or you put something in a drawer. The action completes. That completeness is the part that matters, and it is available whether or not you believe anything in particular about it.
The sound of a bowl
A singing bowl is a bell that is not hung. Struck once with the padded end of a mallet, the tone rises and then holds for twenty to forty seconds. The pitch depends on the alloy and the hammering — a seven-metal blend rings lower and longer than a two-metal one. You can feel the wall move against your palm while it sounds. That is not a metaphor; it is the metal vibrating.
Ways people release things
Water is used as a sequence: pour, wait, pour again. Bowls are used to mark the start and the end of a period rather than to fill it. Writing something and then discarding the paper is common across many traditions, including several that have nothing to do with each other. What these share is that they give the thing a shape and then finish it.