"Specs" is a colloquial term that can refer to two different things:

• Spectacles: This is a plural noun that refers to eyeglasses.

• Specifications: This is a plural noun that refers to a detailed description of how something should be or has been done, made, etc. .

For example, when buying a car, you might look at the cars specs to see what features it has. When building a house, you might create a spec sheet that outlines the materials and design specifications for the project.