d7fd79ae_tural_Elements_and_Constraints__Description
[Data Element] Representation [Example] Sequence of bytes, HTML document, archive document, image document [Description] 
It is something that is sent back and forth between clients and servers. So, we never send or receive resources, only their representations. A representation captures the current or intended state of a resource. A particular resource may have multiple representations
REST Architectural Elements and Constraints
Description