Here we would like to draw your attention to CRMC_UI_LAYOUT transaction code in SAP. As we know it is being used in the SAP CA-WUI (WebClient UI in CA) component which is coming under CA module (Cross Application).CRMC_UI_LAYOUT is a transaction code used for CRM UI Application Context Layout in SAP.
It comes under the package CRM_BSP_UI_FRAME_CORE.
Transaction CRMC_UI_LAYOUT technical data table
|Purpose||CRM UI Application Context Layout|