Upvote:2
1PC means "one piece".
The airline website should state clearly any weight or dimensions restrictions. Which is your flight number? Some airlines apply different baggage allowance (weight limits, number of pieces, etc) depending on the flight, type of ticket, etc.
Upvote:3
Carry-on allowance is 7kg for Economy Starter, Starter Plus and Starter Max passengers, 7kg plus a second small item for FlexiBiz* passengers and 14kg for Business Class.
Checked baggage allowance depends on your class
In the second link there are details about additional baggage you can purchase.