Toe is related to Line. Line is related to Column. Column is a different concept from Record. Record is the opposite of Disc. 
Slave is the opposite of Free. Free is related to Shade. 
Toe <--RelatedTo--> Line <--RelatedTo--> Column <--DistinctFrom--> Record <--Antonym--> Disc 
Slave <--Antonym--> Free <--RelatedTo--> Shade 