to give directions; to issue instructions
evacuation order; evacuation notice
person who won't act without being told to; person who waits to be told what to do
indicator; specifier; designator
pointing device (e.g. laser pen)
person who posts unwanted advice in the comments section or chat of an online video or live stream (esp. Let's Play videos); backseater
dialogue establishment indication outstanding
public text designating sequence
compiler-directing statement
reflexiveness; reflexivity
compiler directing statement
handshake indication outstanding