JMC JIMMY 1993 Owner's Manual page 177

AM402009
A TRIANGLE pointed downward, indicates YIELD. It assigns the right-of-way
to traffic on certain approaches to an intersection.
I
. .
AM402010
A TRIANGULAR sign also is used on two-lane roads to indicate a NO
PASSING ZONE. This sign will be on the left side of the roadway.
KEEP
LEFT OR
RIGHT TURN
RIGHT
THROUGH
ONLY
AM40201
RECTANGULAR (square or oblong) signs show speed limits, parking
regulations, give directions, and such information as distances
to
cities.
4-5