What does Assembly and budding mean?

Assembly and budding meaning in Medical Dictionary

a percentage of procedures where new HIV is formed in infected host cells. Viral main proteins, enzymes, and RNA collect (assemble) only in the cellular's membrane layer, whilst viral envelope proteins aggregate inside the membrane layer. An immature viral particle is created and then pinches down (buds) through the cell, getting an envelope and mobile and HIV proteins through the cell membrane. The immature viral particle after that undergoes handling by an HIV chemical labeled as protease in order to become an infectious virus.