Hi Ammer,
I don't think I understood your question exactly. What's for? and you want to show them at where?
If you are asking about their meaning:
I and J means left and right end of the beam, ID is the name of the beam by giving you. I and j has node numbers, which you can see them on analysis model by 3d Visualization
If i know I and j
It will helps me while i'm doing the releasing end for the beam
At the onther software like etabs or sap
Shows as the colors
Both ends i j