PA28 PLT PROPERLY CROSSED A RWY WHEN GIVEN CLRNC TO TAXI TO A DIFFERENT RWY.

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ON JUL/XA/00 AT APPROX XA15; I WAS AT MFD TAXIING TO THE ACTIVE RWY. AT THIS TIME; ATIS INFO WAS IN EFFECT. ATIS INFO GAVE RWY 23 AS THE ACTIVE RWY. I CONTACTED GND FOR TAXI INSTRUCTIONS. INITIALLY; GND GAVE ME CLRNC TO DEPART RWY 23. I CORRECTED GND THAT I WAS READY TO TAXI WITH CURRENT ATIS INFO. GND CLRED ME TO 'TAXI TO RWY 23; HOLD SHORT RWY 23.' AT LEAST THAT IS WHAT I UNDERSTOOD. IN TAXIING TO RWY 23; I WAS REQUIRED TO CROSS RWY 32. IN DOING SO; GND INDICATED TO ME THAT I HAD NOT BEEN CLRED TO CROSS RWY 32; BUT IT WAS NO PROB. THE CTLR WAS FUNCTIONING AS BOTH TWR AND GND. IT WAS APPARENT THAT THE CTLR WAS A LITTLE RATTLED WHEN SHE CLRED ME FOR TKOF INSTEAD OF TAXI. I SHOULD HAVE BEEN CLRED TO TAXI TO TXWY B; HOLD SHORT RWY 32. HAVING RWYS 32 AND 23 CAN BE CONFUSING UNLESS INSTRUCTIONS ARE MORE CLR. I BELIEVED THAT I HAD BEEN CLRED TO TAXI TO THE ACTIVE RWY; BUT NOT CLRED TO TAKE THE RWY. RWY 23 WAS THE ACTIVE RWY PER ATIS AND I HAD NO REASON TO BELIEVE THAT I HAD NOT BEEN CLRED TO TAXI TO THE ACTIVE; INCLUDING XING THE INACTIVE RWY 32.