i don't know what nimkis is but i know nimki is A Savory Snack made with Wheat Flour & spices.
egg roll
A pie is a baked dish which is usually made of a pastry dough casing that covers or completely contains a filling of various sweet or savory ingredients.
It is a savory pancake made with potato.
Chudwa, also known as "chivda" or "namkeen," is a popular Indian snack mix made with a combination of roasted nuts, puffed rice, dried fruits, and spices. It is a savory and crunchy snack often enjoyed with tea or as a light snack.
dough
it was made by dough then shaped
Dough is a combination of water and flour and other additives. Dough can be made into crust and other stuff.
pasty ;)
You can easily made a savory scone using citrus like lemon or dried fruits such as cranberries.
The dough will be harden, due of the carbon, which the dough intake. The molecules inside of it, will compress, which made the dough thick.
The difference is mainly in the texture. For example, breads made with lean dough tend to be chewier and have more bite than those made from rich dough. Rich dough is also commonly referred to as enriched dough.