Sign

, also known as, are recurring objects in. NaN Signs go unnamed in, , and.

In, NaN Signposts indicate the way, and sometimes warn adventurers of potential dangers. In the LADX:, there is a LADX: that consists of 14 NaN Signposts that Link: must read in a specific order to open the entrance to LADX:'s house. Every time a LADX: is read, it will direct LADX: to the next one. Should he fail to read the good LADX:, LADX: is met with a message informing him that he must start all over again.

In, NaN Signs are seen bordering NaN Spirit Tracks (Object)s to indicate to passing ST: which actions they should do. There are four types of NaN Signs: ST:, ST:, ST:, and ST:.