HIV which is an abbreviation for Human Immuno Deficiency Virus is a RNA retro virus which basically means it has Ribo Nucleic Acid as it's genetic material. Retro refers to the fact it has a special enzyme called Reverse transcriptase which can produce complementary DNA from a RNA template.
You could check out the diagrams in NCERT or watch a video on youtube to further improve your understanding. I would suggest to draw the diagram from memory a couple of times to imprint in memory.
It has a glycoprotein membrane which has inner and outer caspids. Along with this is has projections called spikes on it's wall.
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