Bailment describes a legal relationship in common law where physical possession of personal property, or a chattel, is transferred from one person (the bailor) to another person (the bailee) who subsequently has possession of the property.
language acquisition. the process of learning a native or a second language. The acquisition of native languages is studied primarily by developmental psychologists and psycholinguists.
Second language acquisition and learning defined as learning a language, which is different from your native language. Second Language acquisition is a long process, which includes several stages.