application program,
applications programme,
application the action of putting something into operation; "the application of maximum thrust"; "massage has far-reaching medical applications"; "the application of indexes to tables of data"
browser -
a viewer who looks around casually without seeking anything in particular
looker,
spectator,
viewer,
watcher,
witness 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"
