In this video 1st, I explain what is Azimuth and bearing through Civil 3d after I explain what is Reduce Bearing (RB) and Whole circle bearing (WCB). Then I explain what is the difference between these four terms and where these are using. For this purpose, I use Civil 3d and Total station Leica TS09 & TS15 and program which I use that is Local Resection & Traverse