Difference Between VFB and RTE in AUTOSAR

What is VFB in AUTOSAR, What is RTE in AUTOSAR, Definition of VFB , Definition of RTE, Features of VFB , Features of RTE, Comparision between VFB and RTE, References; 1. https://www.embitel.com/blog/embedded-blog/decoding-the-component-concept-of-the-application-layer-in-autosar#:~:text=VFB%20is%20an%20abstract%20component,SWCs%20in%20the%20design%20model%20.&text=The%20VFB%20handles%20communication%20both%20within%20the%20individual%20ECU%20and%20between%20ECUs. 2. https://www.autosar.org/ Virtual Function BUS, Document ID: 056