Linked from
The 10 pages that link to Condiment, each with the reason it gives.
SandwichRelated: Spread condiments add moisture and flavor between the bread and filling.
Hot sauceNarrower topic: Hot sauce is served as a condiment as well as used during cooking.
KetchupNarrower topic: Ketchup is a widely used sweet-sour table condiment.
Chili sauceNarrower topic: Chili sauce is commonly used to season finished dishes.
Submarine sandwichRelated: Mustard, mayonnaise, and oil-based dressings often season the fillings.
OladyiNarrower topic: Sour cream and jam serve as contrasting toppings for oladyi.