What is tarmak?

As an AI language model, I am not sure about what are you specifically referring to as "tarmak". It could have multiple meanings, some of which are listed below. Please clarify your question if none of them are relevant to your inquiry.

1. Tarmak is a term used in aviation for a runway or taxiway.
2. Tarmak is the codename for the development branch of the Ubuntu operating system.
3. Tarmak is an open-source platform for managing projects and tasks.
4. Tarmak is a brand of ergonomic keyboard layout designed to improve typing efficiency and reduce errors.