(transport) service area, services / (broadcasting) service area (the area covered by the signal of a broadcasting station); coverage

unpaid overtime

(fandom slang) Something done by a celebrity (especially an idol, performer, or athlete) to please their fans. / (fandom slang, by extension) Elements included in a work of fiction to please fans.

(fandom slang, film, television, ACG) a fanservice scene (an often racy or sexual scene included in a work of fiction merely to excite the viewer)

lip service, empty talk