The term contextual definition is identified in base64 scheme by the sequence Y29udGV4dHVhbCBkZWZpbml0aW9u, while the MD5 signature is equal to 3b3218dcc039514801c458a209dfd842. The ASCII encoding of contextual definition in hexadecimal notation is 636f6e7465787475616c20646566696e6974696f6e.