Ahead or turn left
In Arabic:إلى الأمام أو انعطف إلى اليسار
What it means
You must go straight ahead or turn left. Do not turn right or make a U-turn here.
About regulatory signs
Regulatory signs give orders. A red ring tells you something is not allowed, a blue disc tells you what you must do, and STOP and GIVE WAY have shapes of their own. Speed-limit signs show the number in Western digits with Arabic-Indic digits below.