Materials

Cobblestones are stones that were used to pave streets before concrete and asphalt were invented. They were typically smooth stones found in a riverbed. Because the stones could be all different sizes and were placed so they fit together without gaps, they have given rise to the phrase "cobbled together".

Concrete is a something you can use to make roads, buildings, parts of houses and fences out of. Concrete is used more than any other building material.
Concrete is made from cement, gravel, lime, sand and water. It starts as a dry mix of all the powders, and after water is added it will go hard within a matter of hours from a chemical reaction.

A cord is a thick string or a thin rope. The term cord is also used to describe something that looks like a cord. This includes power cords, computer cords, and umbilical cords.

Corks are used to keep bottles tightly closed. Cork is slightly elastic, so it can be squashed smaller and will then snap back to its old size, which makes it perfect for sealing bottles and jars.
Cork is made from the bark of the cork oak, which is very closely related to the common oak tree. Cork can also be used to make floor coverings, and bulletin boards or pin boards.

Damask is a pattern used on a variety of fabrics like silk and wallpaper. Damask patterns can come in a lot of different designs, but the most common is a damask rose pattern like the one in the picture.

Dirt is a general name for the fine powdery stuff that is on the ground everywhere outdoors. Dirt is the name given to very ordinary sort. Rough dirt that doesn't hold water very well is usually called sand, very fine dirt that can also be used to make pottery is called clay and dirt that is good quality, either naturally or because someone improved it with compost, is called soil.

Dye is a substance that is used to change the color of something else. There are many different things that are used as dyes, and dyes can be used to make a huge variety of different colors. Some dyes are permanent, some are temporary.

Ebony is extremely dense, fine-grained black wood. It does not float in water. Ebony is most famously used to make the black keys on a piano.

Fabric is another word for cloth. Fabric is used to make clothes, drapes and lots of other things.
The word fabric can also be used to describe the fundamental structure of something, as in "the fabric of society".

Felt is a fabric that predates weaving and knitting. Felt is made by rubbing wet fibres until they stick together in a thin, matted layer. Felt is often made from wool or hairs from an animal like a rabbit or beaver.