To compare the value of TWD and the value of PLN the currency pair TWD/PLN is used and this means that we want to know how much of PLN we need to buy one TWD. That amount is currently in 0.13520.
For this transaction, the base currency is TWD while the quote currency or counter currency is PLN.
To be as descriptive as possible, we are going to comment that in the last few hours the minimum price this pair has reached has been 0.13480, but the maximum price has reached 0.13550 , this translates to a percentage of the -0.22000% by having a variation of -0.00030.