hatha yoga, about meditating on energy

[Leandro666]

Hello! I started my Hatha Yoga practice about 10 days ago. At the end of all positions, we are asked to relax and meditate on energy for 5 minutes. I don't know what that means, can someone explain to me? I, in particular, put my focus on the whole body, part by part, try to feel the energy and then imagine myself covered by a bright blue light (which would be the energy) is that correct?

 

[Low Priest]

I think that really just means: relax and feel.
Maybe I'm wrong. I suck at void