/ˈɔːrəl/ – adjective
Definition: Bằng lời nói, không bằng văn bản.
A more thorough explanation: 1. spoken rather than written
2. to do with the mouth or speech
Example: 1. Mr Palm filed a suit against the group for breach of an oral contract.
2. 68 per cent of new entrants at seven schools in Linwood and Woolston have lower oral language skill levels than other children.