A badge is a device , patch , or accoutrement which is presented or displayed to indicate some feat of service , a special accomplishment , a symbol of authority granted by taking an oath -LRB- e.g. , police and fire -RRB- , a sign of legitimate employment or student status , or as a simple means of identification .

A badge is a device , patch , or accoutrement which is given and/or can be displayed to indicate some feat of service . It can be for a special accomplishment , a symbol of authority granted by taking an oath -LRB- e.g. , police and fire -RRB- . It may also be a sign of legitimate employment or student status , or as a simple means of identification .
