Answer:
Inca did not have any writing to fulfil the purpose of communication and store knowledge as Mayan and Aztec people did.
Step-by-step explanation:
The Incan culture is one of the mysterious indigenous civilizations in South America. The Incas did not possess any alphabetic letter system but had the Quipu. This Ouipu was a unique and portable system to store various data in civilization. Incas used several colourful knots to use the Quipu system.