Someone who views an event (sports competition, movie etc.).
A software that can display a certain type of document without being able to create such a document.
a close observer; someone who looks at something (such as an exhibition of some kind); "the spectators applauded the performance"; "television viewers"; "sky watchers discovered a new star"
an optical device for viewing photographic transparencies
a close observer; someone who looks at something (such as an exhibition of some kind)
