Gyropilot
advice
alerting
arrow
automatic pilot
blaze
boatheader
boatsteerer
caution
cicerone
clue
compass needle
courier
cowherd
coxswain
cue
direction
direction post
dragoman
drover
finger post
fist
goatherd
guide
guideboard
guidepost
guider
hand
helmsman
herd
herdsman
hint
hour hand
index
index finger
indicator
lead
lubber line
mercury
milepost
minute hand
monition
mouse pointer
navigator
needle
office
passing word
piece of advice
pilot
mark
buffer
byte
collie
controller
cursor
dial
knob
lever
parameter
register
rod
setter
setting
spaniel
switch
terrier