CRT spot
DM display
Doppler signal
IF signal
IM display
Parthian shot
RF echoes
S-curve
action and reaction
address
adumbration
adverse criticism
advisement
affirmation
albedo
allegation
animadversion
answer
apostrophe
apprehension
aspersion
assault
assertion
attack
attaint
automatic reaction
autonomic reaction
averment
bad notices
bad press
badge of infamy
bar sinister
baton
beam
beat signal
bend
bend sinister
bending
black eye
black mark
blink
blips
blot
blur
bounceback
bounces
bow
bowing
brainwork
brand
reflex
alikeness
icon
ikon
image
likeness
picture
similitude
transformation
reflect
reflective
reflector
aspect
criticism
expression
impression
insight
observation
suggestion
sympathy
thought
understanding
vision
advection
affection
circumspection
collection
complexion
confection
connection
convection
correction
defection
detection
direction
disaffection
disconnection
disinfection
dissection
ejection
election
erection
flexion
imperfection
infection
inflection
injection
inspection
insurrection
interconnection
interjection
intersection
introspection
objection
overprotection
perfection
predilection
preelection
projection
protection
recollection
redirection
reelection
reinspection
rejection
resurrection
section
selection