Spec (noun)

1. A detailed description of the design and materials to be used in the construction of something.
2. A particular example of a product or model.

Origin:

Shortened from specification.

Examples:

1. I need to see the specs for the new car before I make a decision.
2. The specs for the computer were impressive.
3. The builder followed the specs exactly.
4. This model doesn't meet the specs for the project.
5. The specs for the building were very strict.