This image shows a palette with a number of components for creating diagrams. Under a tab labelled Basic shapes, there are two components viz. Router/Switch (with a diamond icon) and PC/Laptop (with a rectangle icon).

Under a tab labelled Custom shapes, there are two components viz. Model 001 (with a human icon) and Model 002 (with a robot icon).

Under a tab labelled Link Styles, there is one component viz. Wired (with a arrow icon).