feature – n. a typical quality or important part of something
uncomfortable – adj. causing a feeling of unease or worry
conversation – n. a talk between two or more people, usually an informal one
casual – adj. relaxed, not serious
tag – v. to choose for a special purpose
character – n. a graphic symbol, such as an alphabet letter, used in writing or printing
audio – n. related to the recording or playing of a sound
chat room – n. a place on the internet where people can hold discussions with other people