What is CJP, PJP weld meaning, symbol, differences and examples?

What is CJP, PJP weld meaning, symbol, differences and examples. CJP and PJP welding joints are defined in AWS D1.1, D1.5 and CSA W59 welding codes and are applicable for structural welding only. as other welding construction codes such as ASME Section-VIII, Section-I, B31.3, API-1104, or ISO welding standards does not use this term.