Glasses set contain two components, InfoGlasses and WireGlasses.InfoGlasses can show the component's name, category, assembly over the component without creating a new group. WireGlasses can show the datatype of the wire. If you wanna change the color, please double click the WireGlasses's Icon.
Right click the icon, you can have some options which can be checked. When you selected some component with the showAssembly on, you can see the component's assembly.
NOTE: Place only one InfoGlasses component or one WireGlasses component per document!