ACR FLC TAXI INTO TKOF POS AND HOLD; THEN QUESTION IF CLRNC WAS TO HOLD SHORT. NO ADVERSE COMMENT MADE BY ATC. CAPT QUESTIONS COMPANY POLICY FOR 'GREEN' TO FULL CAPT.

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TAXIING TO RWY 21C; WE WERE BEHIND A B757 FOR TKOF. THE CTLR ASKED IF WE WANTED THE TIME DELAY OR DISTANCE FOR WAKE TURB. WE RESPONDED THAT WE PREFER THE 2 MINS; BUT WE WOULD ACCEPT THE DISTANCE. THE CTLR RESPONDED THAT IT WOULD BE NO PROB FOR THE TIME BECAUSE WE WERE THE ONLY ACFT WAITING TO DEPART. DURING THIS TIME; THERE MAY HAVE BEEN A MISCOM OF 'POS AND HOLD' OR AN ANTICIPATION OF POS AND HOLD FROM THE FLC. A FEW SECONDS LATER; WE WERE CLRED FOR TKOF AFTER BEING 'IN POS AND HOLDING.' THE QUESTION OF WHETHER OR NOT WE WERE GIVEN POS AND HOLD CAME UP LATER ON BECAUSE NEITHER OF US COULD REMEMBER HEARING THE EXACT WORDS 'POS AND HOLD.' WE BOTH REMEMBER 'HOLD.' CONTRIBUTING FACTORS TO THE SIT COULD HAVE BEEN A GREEN FO AND A HIGH MINIMUMS CAPT THAT WAS JUST TAKEN OFF HIS GREEN STATUS. THE FO WAS NOT UNDERSTANDING WHAT ATC WAS ASKING ABOUT WAKE TURB AND THE CAPT WAS TAXIING THE ACFT TRYING TO COMMUNICATE TO ATC HIS INTENTIONS ABOUT THE WAKE TURB SEPARATION AS WELL AS TRYING TO COMMUNICATION TO THE FO WHAT WAS GOING ON. SITUATION ALLY; BOTH THE CRW AND ATC WERE OF THE UNDERSTANDING THAT THERE WAS NO TFC ON FINAL AND ANOTHER ACFT WAS CLRED TO TAXI ACROSS THE RWY DOWNFIELD OF OUR POS. NO OTHER ACFT WERE DELAYED OR INCONVENIENCED BY THIS ACTION THAT WE ARE AWARE OF; AND WE MAY HAVE RECEIVED 'POS AND HOLD;' BUT DURING ALL THE OTHER COMS THAT WERE TAKING PLACE AT THAT TIME; WE JUST DO NOT REMEMBER RECEIVING THAT EXACT WORDING; 'POS AND HOLD.' THE ONLY SUGGESTION I COULD OFFER IS THAT A HIGH MINIMUMS CAPT HAS TO HAVE 100 HRS PIC AND GREEN STATUS IS 75 HRS IN THE ACFT. MAYBE 'GREEN' SHOULD BE EXTENDED TO THE CAPT IS OFF HIGH MINIMUMS; TO GIVE HIM/HER THAT MUCH MORE EXPERIENCE WITH AN EXPERIENCED FO TO HELP REDUCE THE WORKLOAD OF CREW DURING THESE CRITICAL TIMES OF ACFT MOVEMENT.