For representing the technical architecture on a whiteboard, I tend to gravitate towards the first three levels of the C4model [0]. For meetings with management, I like to use AWS's architecture icons [1] within a slide deck.<p>[0] <a href="https://c4model.com/" rel="nofollow">https://c4model.com/</a>
[1] <a href="https://aws.amazon.com/architecture/icons/" rel="nofollow">https://aws.amazon.com/architecture/icons/</a>